SBAC Math Grade 7 Ratios and Proportions 2

Question 1

A store sells 3 apples for $1.50. At this rate, how much do 7 apples cost?

Accepted Answer

$3.50

Answer

$2.50

Answer

$3.00

Answer

$4.00

Question 2

A scale drawing uses 1 inch = 12 feet. If a room is 3.5 inches on the drawing, what is its actual length?

Accepted Answer

42 feet

Answer

15.5 feet

Answer

36 feet

Answer

3.5 feet

Question 3

A car travels 150 miles in 2.5 hours. What is its average speed in miles per hour?

Accepted Answer

60 mph

Answer

40 mph

Answer

50 mph

Answer

55 mph

Question 4

What is 35% of 80?

Accepted Answer

28

Answer

24

Answer

25

Answer

35

Question 5

Is the relationship between x and y proportional? x: 2, 4, 6, 8 and y: 5, 10, 15, 20.

Accepted Answer

Yes, because the ratio y/x is constant at 5/2

Answer

No, because the numbers are not equal

Answer

No, because y increases faster than x

Answer

Yes, because both sequences increase by the same amount

Question 6

A shirt originally costs $45. It is on sale for 20% off. What is the sale price?

Accepted Answer

$36

Answer

$25

Answer

$34

Answer

$40