Finding the Whole in a Percent Problem

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?

• 80

• Base

• 40

• Percent

• Unknown

• Part

48 is 80% of....

• 12

• 36

• 60

• 120

18 is 8% of what number?

Mathematical Equivalence

ON

75% of what number is 15?

• 15

• 20

• 25

• 30

Mathematical Equivalence

OFF

Which proportion represents the following word problem:
The movie theater has 250 seats. 225 seats were sold for the current showing. What percent of seats are sold?

Write an equation for the following:
 Fifty is 15% of what number?

Write an equation for:
33 is what percent of 100?

Which equation matches the following: 3 is what percent of 600?

Use the percent proportion or percent equation to answer the following: A person ate 2400 calories in a day. Of these, 36% came from fat. How many calories came from fat?

• 984

• 830

• 1142

• 864