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30 January, 16:25

The sum of 2 numbers is 260 and one number is 3 times the other. Find the number

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  1. 30 January, 16:45
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    Let one of the number be x.

    The sum of the 2 number is 260

    ⇒ The other number is 260 - x

    The number is 3 times the other

    ⇒ x = 3 (260 - x)

    Solve x:

    x = 3 (260 - x)

    x = 780 - 3x

    4x = 780

    x = 195

    x = 195

    260 - x = 260 - 195 = 65

    Answer: The numbers are 65 and 195.
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