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QIf one fourth of a certain number is added to one fifth of the same number, the result equals the sum of 13 and one eighth of the number

If one fourth of a certain number is added to one fifth of the same number, the result equals the sum of 13 and one eighth of the number. Find the number.

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#1jijiAnswered at 2013-03-02 14:09:08
let x be the number. x/4 + x/5 = 13 + x/8 10x+8x=520+5x Multiply 40 by both sides to eliminate fractions. 18x-5x=520+5x-5x 13x=520 13x/13=520/13 x=40 Always check: 40/4 + 40/5 = 13 + 40/8 true Ed
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If one fourth of a certain number is added to one fifth of the same number, the result equals the sum of 13 and one eighth of the number

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