PARCC Percent and Ratio 3

Question 1

A car travels 150 miles using 5 gallons of gas. What is the rate in miles per gallon?

Accepted Answer

30 mpg

Answer

150 ÷ 5 = 30 miles per gallon.

Question 2

A jacket originally $80 is now $100 after a price increase. What is the percent increase?

Accepted Answer

25%

Answer

The $20 increase divided by $80 equals 0.25, or 25%.

Question 3

The ratio 12:18 reduced to lowest terms is:

Accepted Answer

2:3

Answer

Dividing both by 6 gives 2:3.

Question 4

What is 120% of 50?

Accepted Answer

60

Answer

120% of 50 = 1.2 × 50 = 60.

Question 5

In a class of 30 students, 40% are boys. How many boys are there?

Accepted Answer

12

Answer

40% of 30 = 0.40 × 30 = 12.

PARCC Practice Test