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11 June, 16:10

Sam is an accountant. He finds that he spends two-fifths of his work day answering emails. If he spent 3.6 hours answering emails yesterday, how many hours did he work?

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Answers (2)
  1. 11 June, 16:18
    0
    He worked 9 hours

    Step-by-step explanation:

    Let w = work day

    2/5 w = 3.6

    Multiply each side by 5/2

    5/2 * 2/5 w = 3.6 * 5/2

    w = 9

    He worked 9 hours
  2. 11 June, 20:01
    0
    1: 2/5=emails 3.6hrs=emails, 3.6 = 2/5 5-2=3 3.6•3=__hours of work

    he worked 9 hours
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