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17 May, 22:10

The sum of three numbers is 84 the second number is 3 times the third. The first number is 6 less then the third. What are the numbers

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  1. 17 May, 22:25
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    A=12

    B=54

    C=18

    Step-by-step explanation:

    A=first

    B=second

    C=third

    A+B+C=84

    B=3C

    A=C-6

    C-6+3C+C=84

    5C-6=84

    5C=90

    C=18

    A=C-6

    = (18) - 6

    =12

    B=3C

    =3 (18)

    =54
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