mellissiad mellissiad

21-08-2017
Mathematics

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On a true-false test, the ratio of true answers to false answers is 4 to 3. There are 18 false answers. How many answers are true? 2 14 20 24

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mreijepatmat mreijepatmat

21-08-2017

Ratio = 4/3 , if the false answers = 18 (6imes more than 3), then the true answers should be 6 times more so that to keep the same ratio:

4/3 = (4x6)/(3x6) = 24/18 . So 24 answers are true if 18 are false

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