SOLUTION: Andy estimated that he would need 79 feet of lumber for a tree house project. He later found that the actual amount of lumber needed was 68 feet. What was the percent error of Andy

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Question 860974: Andy estimated that he would need 79 feet of lumber for a tree house project. He later found that the actual amount of lumber needed was 68 feet. What was the percent error of Andy's estimation?
Answer by stanbon(75887) About Me  (Show Source):
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Andy estimated that he would need 79 feet of lumber for a tree house project. He later found that the actual amount of lumber needed was 68 feet. What was the percent error of Andy's estimation?
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Quantity error: 79-68 = 11 ft
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Percent error:: 11/78 = 0.1410 = 14.1%
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Cheers,
Stan H.
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