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22 June, 15:08

The sum of 2 positive numbers is 151. the lesser number is 19 more than the square root of the greater number. what is the value of the greater number minus the lesser number?

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  1. 22 June, 18:18
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    To determine the value of the numbers described, we need to set up two equations since we have two unknowns. We do as follows:

    let x = greater number

    y = lesser number

    sum of 2 positive numbers is 151: x + y = 151

    the lesser number is 19 more than the square root of the greater number: y = 19 + √x

    Solving,

    x + 19 + √x = 151

    x = 121

    y = 30

    Therefore, the value of the greater number minus the lesser number is 121-30 = 91.
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