Percents: Solving for a Whole

When solving a percent problem, how do you find the WHOLE?

• Change the % to a decimal then multiply the decimal by the part.

• Change the % to a decimal then assign a variable for the whole and solve the equation.

• Change the % to a decimal then assign a variable for the part and solve the equation.

70% of WHAT NUMBER is 112?

• 1.6

• 89

• 160

• .89

20% of WHAT NUMBER is 18?

• .9

• 90

• 3.6

When finding percents, what does "OF" mean?

• equal

• multiply

• divide

• add

25% of what number is 21?

• 5.25

• 105

• 84

• 95

26 is 5% of what number?

• 1.3

• 2.5

• 25.95

• 520

9 is 3% of what number?

• 3

• 30

• 300

• 3000

24 is 30% of....

• 3

• 80

• 36

• 120

75% of what number is 15?

• 15

• 20

• 25

• 30

21 is 30% of what number?

• 70

• 6.3

• 51

• 9