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3 June, 08:34

The sum of three numbers is 124. The third number is 3 times the first. The second number is 9 more than the first. What are the numbers?

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  1. 3 June, 09:03
    0
    23, 32, 69

    Step-by-step explanation:

    3 numbers x, y, z

    z = 3x

    y = x + 9

    x+y+z=124

    x + (x + 9) + 3x = 124

    5x + 9 = 124

    5x = 115

    x = 23

    y = 32

    z = 69

    check: 23 + 32 + 69 = 124
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