PARCC Percent and Ratio 2

Question 1

A shirt costs $40 and is marked down by 25%. What is the sale price?

Accepted Answer

$30

Answer

25% of $40 is $10, so $40 - $10 = $30.

Question 2

The ratio of cats to dogs at a shelter is 3:5. If there are 24 cats, how many dogs are there?

Accepted Answer

40

Answer

Each part equals 24 ÷ 3 = 8, so dogs = 5 × 8 = 40.

Question 3

What is 15% of 200?

Accepted Answer

30

Answer

15% of 200 = 0.15 × 200 = 30.

Question 4

A recipe uses flour and sugar in a 4:1 ratio. If you use 12 cups of flour, how much sugar is needed?

Accepted Answer

3 cups

Answer

Sugar = 12 ÷ 4 = 3 cups since the ratio is 4:1.

Question 5

A number increased from 50 to 65. What is the percent increase?

Accepted Answer

30%

Answer

Increase is 15; 15 ÷ 50 = 0.30, which is 30%.

PARCC Practice Test