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the sum of the numerator and the denominator of a fraction is equal to 7. Four times the numerator is 8less than 5 times the denominator find the fraction |
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Answer» Suppose the denominator of a fraction is x Since sum of numerator and denominator is 7, => Numerator = 7 - x Four TIMES the numerator = 4(7 - x) Five times denominator = 5x 4(7 - x) = 5x - 8 => 28 - 4X = 5x - 8 => 5x + 4x = 28 + 8 => 9x = 36 => x = 36/9 => x = 4 => 7 - x = 7 - 4 = 3 |
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