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23 September, 06:04

The difference between two numbers is 3.2. The sum of the numbers is 46.4. What could the two numbers be?

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  1. 23 September, 06:59
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    X+y=46.4

    x-y=3.2

    solving for y

    3.2+y=x

    substitute

    3.2+y+y=46.4

    simplify

    3.2+2y=46.4

    solve for y

    y = (46.4-3.2) / 2

    y=21.6

    put y into equation

    x+y=46.4

    x+21.6=46.4

    x=46.4-21.6

    x=24.8

    your two numbers are 24.8 and 21.6
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