Percent Error
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Percent Increase
Percent Decrease
Word Problems
100
This is the equation for Percent Error.
What is ﷐X = abs(experimental - accepted) / accepted
100
A measurement was 34.5 m. The accepted value is 36.7 m, This is the percent error of the measurement?
What is 5.99% error?
100
Original price $0.50 New price $0.65
What is 30%
100
Original weight 180lb New weight 162lb
What is 10%
100
Last year monique's rent was $460/mo. This year her rent increased to $506. What is the percent of increase in her rent?
What is 10%
200
Experimental Value = 62.5 g. Accepted Value = 65.2 grams.
What is 4.14% error?
200
The accepted value of a pipe is 5.5 m. The experimental measurement made by a student is 5.2 m. This is the percent error.
What is 5.45% error?
200
Original weight 110lb New weight 132lb
What is 20%
200
Original airfare $340 New airfare $255
What is 25%
200
Lance bought a used car for $5500. He sells it two years later for $2475. What is the percent of decrease?
What is 55%
300
This is the percent error of an accepted value of 34.1 mL and experimental value of 34.58 mL.
What is 1.41% error?
300
This is the percent error if a measurement was made and determined to be 12.3 mL and the accepted value is 12.8 mL.
What is 3.91% error?
300
Original number 70 New number 98
What is 40%
300
Original enrollment 360 New enrollment 342
What is 5%
300
The Jacksons bought a house for $145,000 for years ago. They sell the house this year for $174,000. What is the percent of increase?
What is 20%
400
This is the percent error of an experimental value of .156 cal/g and accepted value of .185 cal/g.
What is 15.68% error?
400
Estimated Value: 200 mL Accepted Value: 198.2 mL This is the percent error.
What is .91% error?
400
Original amount $16 New amount $28
What is 75%
400
Original number 80 New number 44
What is 45%
400
The original price of a gold bracelet is $325. The sale price is $260. What is the percent of decrease?
What is 20%
500
This is the percent error of an experimental value of 97.5 degrees and an accepted value of 100 degrees.
What is 2.5% error?
500
This is the percent error if a measurement recorded in experiement is 13.1 g/mL and the accepted value is 12. 8 g/mL.
What is 2.34% error?
500
Original population 80 New population 84
What is 5%
500
Original price $60 New price $51
What is 15%
500
Find the Percent of ? if the original population was 800 and the new population is 716?
What is Decrease of 10.5%
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