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Martha estimated there were 89 marbles in a jar for a contest. The actual number of marbles in the jar was 111. What was the percent error of Martha's estimation?

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3 votes

Answer:

18.91 percent

Explanation:

Percent error equation: Difference or Difference/Actual

Actual


The difference is the greater amount minus the smaller.

111 - 89 = 22


The actual is 111.


Now divide 22/111.

22/111 = 0.189 repeating


0.189 repeating = about 18.91 percent

User Nick Dixon
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