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30 January, 14:59

bills number is 4 more than Mary's. the average of their numbers is 36. what is each persons number?

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  1. 30 January, 15:26
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    Mary=34

    Bill=38

    Step-by-step explanation:

    bill's number=b

    mary's number=m

    (m+b) / 2=36

    b=m+4

    (m+m+4) / 2=36

    (2m+4) / 2=36

    m+2=36

    m=34

    b=34+4=38
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