Solving for Part, Whole, and Percentages

Of the 20 people in class, 12 are male. What percent are male?

• 12%

• 60%

• 30%

What percent of 190 equals 19?

• .1 %

• 1 %

• 10 %

• 19 %

Out of a dozen eggs in a carton, nine had cracks! What percent had cracks?

• 75%

• 90%

• 66 ⅔%

• 60%

The 15 percent of 115 is...

• 15.75

• 16.36

• 10

• 12

Convert 0.81 to a percent

• 0.81%

• 0.18%

• 8.1%

• 81%

When calculating the percent of a number, we use an "XWP Chart". Then we put those numbers into a proportion to solve it. Label the parts of the proportion. (Percent of a number notes)

a

b

c

d

Part

Percent

Whole

100

• 3

• 2.4

• 24

• 6

• 1760

• 2400

• 240

• 17600

• 63

• 630

• 483

• 48.3

• 4550

• 45500

• 4500

• 45000