KYOTE 1.6b: Percent Change

Front

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?

Back

20%

Front

Percent increase from $5 to $8

Back

60%

Front

Mrs. Ciampa had 27 students in her class last year and this year she had 30 students in her math class. What is the percent of change?

Back

11%

Front

Percent change in time to finish level 2 of a video game from 32 minutes to 28 minutes.

Back

Decrease 12.5%

Front

Mary currently weighs 150 pounds. Before her diet, she weighed 180 pounds. What is the percent of change in her weight? Options: 17% Decrease, 17% Increase, 20% Increase, 20% Decrease

Back

17% Decrease

Front

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

Back

4%

Front

The temperature in one day goes from 10^o to 15^o. What is the percent change? Options: 50% increase, 50% decrease, 33% increase, 33% decrease

Back

50% increase

Front

A team of biologists used population sampling to determine that there are currently 350 chameleons living in a particular ecosystem. That same ecosystem had a population of 580 chameleons three years ago. Which is closest to the percent decrease in the chameleon population?

Back

40%

Front

Percent change in white-tail deer population from 680 to 410?

Back

40%

Front

Susie got a raise. She was making $8.75 an hour. Now she is making $9.50. What is the percent of change?

Back

9% Increase