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31 July, 13:01

Malik earned $2,344.55 fixing computers. He charged $35.50 per hour. Which expression does NOT use appropriate compatible numbers to estimate the total number of hours he worked?

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  1. 31 July, 15:26
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    A, B, C do NOT use appropriate compatible numbers to estimate the total number of hours he worked.

    Step-by-step explanation:

    Malik earned $2,344.55

    Wages per hour $ 35.50

    No of hours = Total wages / wages per hour = $2,344.55 / 35.50 = 66.043

    Lets analyze all the options

    A. 2,400 : 30 = 80

    B. 2,400 : 40 = 60

    C. 2,000 : 40 = 50

    D. 2,000 : 30 = 66.67

    A, B, C do NOT use appropriate compatible numbers to estimate the total number of hours he worked.

    Only D uses appropriate compatible numbers to estimate the total number of hours he worked.
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