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queen123p:
Martha estimated there were 93 marbles in a jar for a contest. The actual number of marbles in the jar was 115. What was the percent error of Martha's estimation?
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queen123p:
it was wrong it was 19.13%
jimthompson5910:
The error is 115-93 = 22 Divide this over the true amount to get 22/115 = 0.1913 which converts to 19.13% when you move the decimal point over two spots to the right.
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