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Re: If x^3 < x^2, which of the following must be negative?
If x^3 < x^2, which of the following must be negative? A. x B. −x C. x^5 D. x − 1 E. x^(−1) Answer: D Solution: Since x^3 is less than x^2, there are two cases for x: 1) x could be a negative number, or 2) x could be a (positive) number whose value is between 0 and 1. Thus, x - 1 will always be neg...
- by Scott@TargetTestPrep
Sun Jul 12, 2020 2:36 pm- Forum: Problem Solving
- Topic: If x^3 < x^2, which of the following must be negative?
- Replies: 3
- Views: 101
George baked a total of 125 pizzas for 7 straight days, beginning on Saturday. He baked 3/5 of the pizzas the first day,
Problem Solving
Re: George baked a total of 125 pizzas for 7 straight days, beginning on Saturday. He baked 3/5 of the pizzas the first
George baked a total of 125 pizzas for 7 straight days, beginning on Saturday. He baked 3/5 of the pizzas the first day, and 3/5 of the remaining pizzas the second day. If each successive day he baked fewer pizzas than the previous day, what is the maximum number of pizzas he could have baked on We...
- by Scott@TargetTestPrep
Sun Jul 12, 2020 2:35 pm- Forum: Problem Solving
- Topic: George baked a total of 125 pizzas for 7 straight days, beginning on Saturday. He baked 3/5 of the pizzas the first day,
- Replies: 2
- Views: 46
A single slice cut from the center of a circular pizza has an edge length (from the center of the pizza to the edge...
Problem Solving
Re: A single slice cut from the center of a circular pizza has an edge length (from the center of the pizza to the edge.
Source: Princeton Review A single slice cut from the center of a circular pizza has an edge length (from the center of the pizza to the edge of the crust) of 5", has an arc length of \(1.25\pi"\), and weighs 4 ounces. If a serving weighs 8 ounces, then, to the nearest integer, what is the largest n...
- by Scott@TargetTestPrep
Sun Jul 12, 2020 2:34 pm- Forum: Problem Solving
- Topic: A single slice cut from the center of a circular pizza has an edge length (from the center of the pizza to the edge...
- Replies: 1
- Views: 48
Re: W and X are points on the number line, and W < X < 0
W and X are points on the number line, and W < X < 0. If X is the midpoint of line segment WY, and W is the midpoint of line segment YZ, then what is the value of Z in terms of W and X? A) -2X - 3W B) 2W - 3X C) 3W - 2X D) 3X - 2W E) 2X - 3W Answer: C Solution: We see that both W and X are negative...
- by Scott@TargetTestPrep
Sun Jul 12, 2020 2:32 pm- Forum: Problem Solving
- Topic: W and X are points on the number line, and W < X < 0
- Replies: 2
- Views: 79
Sarah's seafood restaurant gets a delivery of fresh seafood every day, 7 days per week, and her delivery company charges
Problem Solving
Re: Sarah's seafood restaurant gets a delivery of fresh seafood every day, 7 days per week, and her delivery company cha
Sarah's seafood restaurant gets a delivery of fresh seafood every day, 7 days per week, and her delivery company charges her d dollars per delivery plus c cents per item delivered. If lst week Sarah's seafood restaurant had an average of x items per day delivered, then which of the following is the...
- by Scott@TargetTestPrep
Sun Jul 12, 2020 2:31 pm- Forum: Problem Solving
- Topic: Sarah's seafood restaurant gets a delivery of fresh seafood every day, 7 days per week, and her delivery company charges
- Replies: 2
- Views: 50
Re: Probability
Jenny's cabinet contains 4 bags of tortilla chips, 4 bags of potato chips, and 5 bags of popcorn. Jenny reaches into the cabinet and draws a bag at random, places it on the counter, and returns to draw one more bag at random. What is the probability that she pulls out two bags of popcorn? A. 1/13 B...
- by Scott@TargetTestPrep
Sun Jul 12, 2020 2:30 pm- Forum: Problem Solving
- Topic: Probability
- Replies: 2
- Views: 51
Re: Fractions/Ratios/Decimals
In a forest, the ratio of pine trees to maple trees is 7:3, and the ratio of oak trees to maple trees is 5:2. What is the ratio of pine trees to oak trees? A. 7:5 B. 5:7 C. 7:10 D. 14:15 E. 15:14 The OA is D Solution: We are given that the ratio of pine trees to maple trees is 7:3 and that the rati...
- by Scott@TargetTestPrep
Sun Jul 12, 2020 2:29 pm- Forum: Problem Solving
- Topic: Fractions/Ratios/Decimals
- Replies: 2
- Views: 59
A baseball team’s season consists of playing 162 games. At a certain point in its season, the team has won...
Problem Solving
Re: A baseball team’s season consists of playing 162 games. At a certain point in its season, the team has won...
Source: Princeton Review A baseball team’s season consists of playing 162 games. At a certain point in its season, the team has won 55 percent of the games it has played. The team then wins a certain number of consecutive games so that at the end of the winning streak, the team has won 58 percent o...
- by Scott@TargetTestPrep
Sun Jul 12, 2020 2:24 pm- Forum: Problem Solving
- Topic: A baseball team’s season consists of playing 162 games. At a certain point in its season, the team has won...
- Replies: 2
- Views: 79
Re: Five friends - Ross, Phoebe, Chandler, Joey, and Monica
Five friends - Ross, Phoebe, Chandler, Joey, and Monica - decide to have lunch at a pizzeria. Five types of individual pizza are available: Hawaiian, Supreme, Veggie, Pepperoni, and Margherita. If Ross refuses to eat Hawaiian, Phoebe will only eat Margherita, and no two friends will eat the same ty...
- by Scott@TargetTestPrep
Sat Jul 11, 2020 1:16 pm- Forum: Problem Solving
- Topic: Five friends - Ross, Phoebe, Chandler, Joey, and Monica
- Replies: 3
- Views: 49
A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was 10^
Problem Solving
Re: A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was
A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was 10^4, what was the number in the population 1 hour later? (A) 2(10^4) (B) 6(10^4) (C) (2^6)(10^4) (D) (10^6)(10^4) (E) (10^4)^6 Answer: C Source: Official guide Solution: Since one h...
- by Scott@TargetTestPrep
Sat Jul 11, 2020 1:14 pm- Forum: Problem Solving
- Topic: A certain population of bacteria doubles every 10 minutes. If the number of bacteria in the population initially was 10^
- Replies: 3
- Views: 45
Ben and Ann are among 7 contestants from which 4 semifinalists are to be selected. Of the different possible selections,
Problem Solving
Re: Ben and Ann are among 7 contestants from which 4 semifinalists are to be selected. Of the different possible selecti
Ben and Ann are among 7 contestants from which 4 semifinalists are to be selected. Of the different possible selections, how many contain neither Ben nor Ann? A. 5 B. 6 C. 7 D. 14 E. 21 Answer: A Source: Official guide Solution: If neither Ben nor Ann is among the semifinalists, then there are only...
- by Scott@TargetTestPrep
Sat Jul 11, 2020 1:13 pm- Forum: Problem Solving
- Topic: Ben and Ann are among 7 contestants from which 4 semifinalists are to be selected. Of the different possible selections,
- Replies: 2
- Views: 37
Re: Nicky and Cristina are running a 1,000 meter race. Since Cristina
Nicky and Cristina are running a 1,000 meter race. Since Cristina is faster than Nicky, she gives him a 12 second head start. If Cristina runs at a pace of 5 meters per second and Nicky runs at a pace of only 3 meters per second, how many seconds will Nicky have run before Cristina catches up to hi...
- by Scott@TargetTestPrep
Sat Jul 11, 2020 1:12 pm- Forum: Problem Solving
- Topic: Nicky and Cristina are running a 1,000 meter race. Since Cristina
- Replies: 3
- Views: 69
The game of blackjack is played with a deck consisting of 13 cards (one of each of the numbers 2-10, one jack, one queen
Problem Solving
Re: The game of blackjack is played with a deck consisting of 13 cards (one of each of the numbers 2-10, one jack, one q
The game of blackjack is played with a deck consisting of 13 cards (one of each of the numbers 2-10, one jack, one queen, one king, and one of ace) in each of four suits: clubs, diamonds, hearts, and spades. In a game of blackjack, if your first card is a spade, what are the odds that it is an ace?...
- by Scott@TargetTestPrep
Sat Jul 11, 2020 1:11 pm- Forum: Problem Solving
- Topic: The game of blackjack is played with a deck consisting of 13 cards (one of each of the numbers 2-10, one jack, one queen
- Replies: 3
- Views: 42
Re: Luke drives the first 300 miles of a trip at 60 miles an hour.
Luke drives the first 300 miles of a trip at 60 miles an hour. How fast does he have to drive, in miles per hour, on the final 200 miles of the trip if the total time of the trip is to equal 7 hours? A. 60 mph B. 90 mph C. 100 mph D. 120 mph E. 200 mph Answer: C Solution: The time for the first par...
- by Scott@TargetTestPrep
Sat Jul 11, 2020 1:10 pm- Forum: Problem Solving
- Topic: Luke drives the first 300 miles of a trip at 60 miles an hour.
- Replies: 3
- Views: 40
Re: A merchant paid $300 for a shipment of x identical calculators.
A merchant paid $300 for a shipment of x identical calculators. The merchant used 2 of the calculators as demonstrators and sold each of the others for $5 more than the average (arithmetic mean) cost of the x calculators. If the total revenue from the sale of the calculators was $120 more than the ...
- by Scott@TargetTestPrep
Sat Jul 11, 2020 1:09 pm- Forum: Problem Solving
- Topic: A merchant paid $300 for a shipment of x identical calculators.
- Replies: 3
- Views: 42