Per Cent Error

Bryan estimated he'd run the mile in 5 minutes. Bryan ran the mile in 8 minutes. What's the percentage error?

Ken estimated his food would take 10 minutes long. Ken's food took 20 minutes. what's the percentage error?

Santa estimated his sack would be 50 pounds. instead it was 300 pounds. whats his percentage error?

• 83.33%

• 7%

• 70%

• 83.12

Mark estimated his tomatoes would take at least 160 days. The tomato grew in 60 days. how much percent was he off?

Frank estimated his Christmas tree would be four feet. instead the tree was eight feet. what's the percentage error?

• 50%

• 2%

• 5%

• 500%

Will estimated his drive would take five hours. instead the drive took four hours. what was the percentage error?

• 95%

• 1.2%

• 25%

• 82%

Troy estimated the walk to his friends house would take 20 minutes. instead it took 45 minutes. what's the percentage error?

Rick estimated he'd catch 5 fishes. instead Rick caught 20. How much was he off in percentage?

Mark took 45 minutes to complete a test. Marks estimate was 15 minutes. how much was Mark off in percentage?

Ken drove a five hour drive. Ken's estimate was 45% higher than that. With that answer, what was the percentage error?

• 45

• 0.4555555%

• 45%.000005

• 45%