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28 February, 03:11

The sum of two number is 77. If the first number is multiplied by 4 and the second is multiplied by 2, the sum is 286. What are the two numbers?

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  1. 28 February, 03:35
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    here 1st case

    x+y=77

    or, x=77-y

    second case

    4x+2y=286 (according to question)

    putting value of x from first case

    4 (77-y) + 2y=286

    or, 308-4y+2y=286

    or, 308-286=2y

    or, 22=2y

    or, 11=y and x=77-11

    x=66

    Step-by-step explanation:

    so, y=11 and x=66
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