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19-06-2020
Mathematics

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

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19-06-2020

Answer:

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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