Worked examples
Two examples
Example 1
18 is what percent of 72?
- Divide the part by the whole: 18 ÷ 72 = 0.25.
- Multiply by 100.
Answer: 25%
Example 2
45 is what percent of 60?
- 45 ÷ 60 = 0.75.
- As a percent: 75%.
Answer: 75%
Where this is taught: Ratio, Proportion, and Percent, “One proportion for all three”
The drill
Ten problems
This drill also has challenge problems. They use the same skill, set up the way the GED test sometimes sets up a problem, so that it looks new at first.
How many:
Type the number only; the % sign is already there. Then press Check my answers at the bottom.Write each answer on the line. The answer key, with the reasoning, is on the last page.