Finding the Whole from the Percent and Part

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.

Percent times the _____ equals the _______.

• Part

  decimal

• Part

  Whole

• Whole

  Decimal

• Whole

  Part

25% of 80 is what number

• 20

• 80

• 48

• 95

15% of 82 is what number?

• 12.3

• 123

• 1.23

64 is 40% of what number?

• 160

• 104

• 25.6

• 108

18 is 40% of what number?

• 45

• 18

• 7.2

• 40

20 is 80% of what number?

• 25

• 24

• 26

• 20

60 is 75% of....

• 60

• 25

• 80

• 45

24 is 30% of....

• 3

• 80

• 36

• 120

Identify the part, base, and percent. Johnny gave 40 baseball cards to her friend which was 80% of her total baseball cards. How many baseball cards did he start with?

• Unknown

• Percent

• 80

• Base

• 40

• Part