Mastering Percents and Ratios for SAT Success

What is 36% expressed as a decimal?

• 36

• 0.036

• 0.36

• 3.6

What does a 36% reduction on an item originally priced at $100 make the new price?

• $64

• $70

• $72

• $65

How much is a 20% tip on a $36.12 bill?

• $7.00

• $7.20

• $7.50

• $7.22

If a shirt is sold for $21 after a 30% discount, what was its original price?

• $28

• $25

• $35

• $30

What is the ratio of A to C if A to B is 3:4 and B to C is 5:2?

• 5:3

• 8:15

• 15:8

• 10:4

If the ratio of width to height in a picture is 4:3, what is the height if the width is 20 inches?

• 15 inches

• 12 inches

• 10 inches

• 18 inches

How many red candies are there if the ratio of blue to red candies is 3:9 and there are 48 candies in total?

• 36

• 12

• 24

• 18

If 4 bricks weigh 52 pounds, how much do 7 bricks weigh?

• 95 pounds

• 91 pounds

• 89 pounds

• 85 pounds

How long would it take 5 people to paint a house if 3 people can do it in 4 hours?

• 2.4 hours

• 3 hours

• 2 hours

• 1.5 hours

If driving at 50 miles per hour, how long does it take to drive 200 miles?

• 4.5 hours

• 4 hours

• 5 hours

• 3.5 hours