Percent of Change 7.4D

Front

The price of a cell phone was reduced from $400 to $350. By what percentage was the price of the cell phone reduced?

Back

12.5%

Front

The price of a video game was reduced from $60 to $45. By what percentage was the price of the video game reduced?

Back

25%

Front

This year, a vintage corvette sells for $50,000. Next year, this same car will sell for $55,000. By what percentage will the price of the corvette increase?

Back

10%

Front

The price of a television was reduced from $250 to $200. By what percentage was the price of the television reduced?

Back

20%

Front

Amanda increased the amount of protein she eats every day from 48g to 54g. By what percentage did Amanda increase the amount of protein she eats?

Back

12.5%

Front

The math department at Clark Middle School used 9 containers to store 216 calculators. Each container holds the same number of calculators. How many containers would be needed to store 72 calculators?

Back

3 containers

Front

On Wednesday, 30 students attended afterschool tutorials. On Thursday, only 6 students attended. What is the percent of decrease in the number of students who went to tutorials on Thursday?

Back

80%

Front

Triangle ABC is similar to triangle DEF. What is the length of DE?

Back

18.2 in

Front

Back

3

Front

A bicycle helmet is priced at $18.50. If the sales tax rate is 7%, what is the total cost of the bicycle helmet including the tax?

Back

$19.80