Evaluating Percents

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

• 35%

• 25%

• 30%

• 20%

What is 35% as a decimal?

What is 60% as a fraction in simplest form?

• 68%

• 75%

• 85%

• 0.85%

42 is 25% of what number?

• 10.5

• 60

• 168

• 16.8

Of the 160 7th graders at CMS, 96 donate canned goods to the food drive. What percent of the 7th graders donated food?

• 60%

• 66%

• 96%

• 99%

What number is 17% of 50?

Lacey bought a new purse that originally cost $25 and is on sale for $15. Find the percent of change in the price in the purse.

• Decrease of 40%

• Decrease of 10%

• Decrease of 30%

• Decrease of 20%

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people actually attended. What was the percent error?

• 16.67%

• 20%

• 2500%

• 80%

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

• 4%

• 20%

• 3.8%

• none of these