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5 January, 04:19

The sum of 2 numbers is 80. the ratio of these 2 numbers is 3:5. find the larger number

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  1. 5 January, 04:38
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    Hello,

    Let's assume a the smaller number, b the larger.

    a+b=80

    a/b=3/5==>a=3/5*b

    3/5b+b=80

    ==>8/5b=80

    ==>b=80*5/8

    ==>b=50

    a=80-50=30

    The lager number is 50
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