Search found 111 matches
ahhh I multiplied wrong. No wonder I was having so much difficulty figuring out the quadratic equation.
Careless mistakes are the worst.
- by bml1105
Tue Jun 03, 2014 7:49 pm- Forum: Problem Solving
- Topic: Length of Floor
- Replies: 4
- Views: 4283
- by bml1105
Tue Jun 03, 2014 7:46 pm- Forum: Data Sufficiency
- Topic: Value of X^2 - Y^2?
- Replies: 4
- Views: 8036
Thanks! I keep forgetting to just try and plug in the answers. I keep trying to come up with formulas to make it work and I got stuck at w^2 - w - 80. It was either 16 or 20, and my best guess wasn't right.
- by bml1105
Tue Jun 03, 2014 3:56 pm- Forum: Problem Solving
- Topic: Length of Floor
- Replies: 4
- Views: 4283
Length of Floor
The length of a rectangular floor is twice its width. The floor is partially covered by a rectangular carpet whose length is the same as the length of the floor whose width is 2 feet less than the width of the floor. If the area of the carpet is 160 square feet, what is the length, in feet, of the f...
- by bml1105
Tue Jun 03, 2014 2:31 pm- Forum: Problem Solving
- Topic: Length of Floor
- Replies: 4
- Views: 4283
Vaccinated Against Rubella
In a certain region, the number of children who have been vaccinated against rubella is twice the number who have been vaccinated against mumps. The number who have been vaccinated against both is twice the number who have been vaccinated only against mumps. If 5,000 have been vaccinated against bot...
- by bml1105
Tue Jun 03, 2014 2:29 pm- Forum: Problem Solving
- Topic: Vaccinated Against Rubella
- Replies: 5
- Views: 6546
Line (2,2) Partitions Interior of Rectangle
The vertices of a rectangle in the standard (x,y) coordinate plane are (0,0), (0,4), (7,0), and (7,4). If a line through (2,2) partitions the interior of this rectangle into 2 regions that have equal areas, what is the slope of this line?
(A) 0
(B) 2/5
(C) 4/7
(D) 1
(E) 7/4
OA: A
- by bml1105
Tue Jun 03, 2014 2:26 pm- Forum: Problem Solving
- Topic: Line (2,2) Partitions Interior of Rectangle
- Replies: 5
- Views: 2930
Is Z Between X and Y?
If x, y, and z are positive numbers, is z between x and y?
(1) x < 2z < y
(2) 2x < z < 2y
OA: C
- by bml1105
Tue Jun 03, 2014 2:24 pm- Forum: Data Sufficiency
- Topic: Is Z Between X and Y?
- Replies: 8
- Views: 8525
8 Volunteers for Charity Event
From a group of 8 volunteers, including Andrew and Karen, 4 people are to be selected at random to organize a charity event. What is the probability that Andrew will be among the 4 volunteers selected and Karen will not?
(A) 3/7
(B) 5/12
(C) 27/70
(D) 2/7
(E) 9/35
OA: D
- by bml1105
Tue Jun 03, 2014 2:23 pm- Forum: Problem Solving
- Topic: 8 Volunteers for Charity Event
- Replies: 4
- Views: 9236
- by bml1105
Tue Jun 03, 2014 2:21 pm- Forum: Data Sufficiency
- Topic: Value of X^2 - Y^2?
- Replies: 4
- Views: 8036
- by bml1105
Sun Jun 01, 2014 5:33 pm- Forum: Data Sufficiency
- Topic: ratios
- Replies: 6
- Views: 2006
So the statements need to match both the Rephrased target question AND the Re-rephrased target question? Not just one of them?
- by bml1105
Sun Jun 01, 2014 4:58 pm- Forum: Data Sufficiency
- Topic: ratios
- Replies: 6
- Views: 2006
If we cross multiple Statement 1 of m/r = x/y, we still get our Re-Rephrased target question of my = xr.
Wouldn't that mean that Case B isn't an option?
- by bml1105
Sun Jun 01, 2014 4:14 pm- Forum: Data Sufficiency
- Topic: ratios
- Replies: 6
- Views: 2006
- by bml1105
Sat May 31, 2014 7:42 pm- Forum: Sentence Correction
- Topic: Overwhelming Proportion of Women
- Replies: 6
- Views: 4591
I'm confused about the Subject-Verb Agreement in this sentence. I assumed that proportion was the subject, because "of women" would be a prepositional phrase. Then proportion is singular because it refers to one group. Therefore, the verb should be works. However, looking at the correct an...
- by bml1105
Sat May 31, 2014 4:11 pm- Forum: Sentence Correction
- Topic: Overwhelming Proportion of Women
- Replies: 6
- Views: 4591
Overwhelming Proportion of Women
In Hungary, as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in middle management and light industry. (A) as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in (B) as with much of Eastern Europe, an overwhelming proporti...
- by bml1105
Sat May 31, 2014 4:09 pm- Forum: Sentence Correction
- Topic: Overwhelming Proportion of Women
- Replies: 6
- Views: 4591