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4 September, 07:59

1. A natural number, when increased by 12, equals 160 times its reciprocal. Find the number.

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Answers (1)
  1. 4 September, 09:46
    0
    20

    Step-by-step explanation:

    Let x represent our numbewr

    x + 12 = 160/x

    x^2 + 12x - 160 = 0

    (x-20 (x+8) = 0

    x = - 8,20

    20 is the only natural number solution.
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