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5 October, 21:52

The sum of three equal 106.

The third number is 6 less than first.

The second three time the third.

What are the number.

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Answers (1)
  1. 5 October, 22:18
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    X+y+z=106

    x=z-6

    y=3z

    Now put those in the equation.

    z-6+z+3z=106

    z+z+3z=100

    5z=100

    z=20

    The numbers are:

    1st: 26

    2nd: 60

    3rd: 20
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