Solving for Part, Whole, and Percentages

10% of what number is 6?

• 3

• 12

• 60

• 90

82% of what is 42?

• 50.2

• 52

• 51.2

• 50.3

Thirty-six members of the middle school choir, or 30%, participated in the regional contest. How many total students are in the choir?

• 115

• 120

• 130

• 136

If 45% of a number is 90, what is the whole number?

• 200

• 150

• 100

• 250

18 is 40% of what number?

• 45

• 18

• 7.2

• 40

20 is 80% of what number?

• 25

• 24

• 26

• 20

Line segment PQ is 8 inches. If ling segment PQ is worth 25%, what is the length of a line segment that is 100%?

• 2 inches

• 16 inches

• 10 inches

• 32 inches

Percent is based out of ______?

• 10

• 100

• 1000

• 400

30 % of a sum is 450. find the sum

90 is 120% of what number?

• 108

• 75

• 118

• 55