AnswersCommon Core Math 7 - MA3107 CRPercent Increase and Decrease

Percent Error Answers

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1
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A student solved the problem and showed his work below. What was his error?(100) 6%

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A
The planners did not use the absolute error in the ratio.
B
The planners compared the absolute error to the approximate value.
C
The planners did not multiply by 100 to get the percent.
D
The planners divided incorrectly and got the wrong answer.
2
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b =

A
180
B
20
C
–20
D
–180

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Percent Error Answers — Common Core Math 7 …