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22 November, 17:35

When two-fifths of a number is increased by 15 the result is 27. What is the number?

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  1. 22 November, 20:08
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    x = 30

    Step-by-step explanation:

    Let's set up an equation to represent this problem:

    2/5 * x + 15 = 27

    subtracting 15 from both sides,

    2/5 * x = 12

    Multiplying 5/2 to both sides,

    5/2 * 2/5 * x = 12 * 5/2

    1*x = 30

    x = 30
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