1-
Which of the following could be the average of three integers?
Indicate all such values.
A) 33
B) 31
C) 89/3
D) 91/4
E) 101/6
F) 20
2-
The amount of money Tim makes selling DVDs is directly proportional to the number of days he has been working. If Tim manages to make $765 after 20 days, how many days does he have to work to make $1071?
3-
Sawyer is able to solve 10x questions every 3y hours. If he works at the same rate, in how many hours will he be able to solve 57 questions?
a) 57x/10y
b) 171y/10x
c) 171x010y
d) 10x/171y
e) 10y/171x
4-
If Rafa hits 163 serves in the first two hours he practices, how many more hours will it take him to hit 978 serves at the same rate?
Which of the following could be the average of three integers?
Indicate all such values.
A) 33
B) 31
C) 89/3
D) 91/4
E) 101/6
F) 20
2-
The amount of money Tim makes selling DVDs is directly proportional to the number of days he has been working. If Tim manages to make $765 after 20 days, how many days does he have to work to make $1071?
3-
Sawyer is able to solve 10x questions every 3y hours. If he works at the same rate, in how many hours will he be able to solve 57 questions?
a) 57x/10y
b) 171y/10x
c) 171x010y
d) 10x/171y
e) 10y/171x
4-
If Rafa hits 163 serves in the first two hours he practices, how many more hours will it take him to hit 978 serves at the same rate?
