Find the Percent Practice

Griffin was buying a birthday card, he thinks the price is $4.50, but the actual price is $4. What is his percent of error?

• 50%

• 0.5%

• 12.5%

• 0.125%

Sam thinks the cost of the book is $50, but actually it's $56. What is Sam's percent of error?

• 10.7%

• 6%

• 12%

• 89%

Brittany wants an umbrella for $60. When she checks out, it costs $50. What is her % of error?

• 10%

• 20%

• 17%

• 8%

Lindsey believes the cost to rent a scooter is $100, but actually it's $150. What is Lindsey's % error?

• 50%

• 33%

• 67%

• 150%

Andrew expected $60 for his birthday, but only got $40. What is the percent of error?

• 50%

• 20%

• 67%

• 150%

Nick estimated that 60 people would come to eat, but only 45 attended. Whats the % of error?

• 15%

• 25%

• 33%

• 75%

You guessed that the Chicago Cubs would win 95 games during the regular season. They actually won 103. What was your percent error? Round to the nearest tenth if necessary.

• 7.8%

• 7.7%

• 0.77%

• 0.78%

You guess that Lebron James would score 35 points during the game. He actually scored 28. Find your percent error.

• 30%

• 33%

• 75%

• 25%

Write 0.17 as a percent.

• 7%

• 17%

• .0017%

• 170%

Rogelio ate 2/5 of a pizza. What percent of a pizza did he eat?

• 40%

• 25%

• 4%

• 5%