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OpenStudy (anonymous):
Arthur is organising his collect of dvd's. He has 42 altogether. the ration of comedy films to action to horror is 4:7:3 how many of each type of dvd's does he have
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OpenStudy (anonymous):
OpenStudy (anonymous):
I found the answer to confirm that the number you have to multiply the ratios by is a whole number. So try multiplying the ratios by the same number, and adding them.
OpenStudy (anonymous):
or you can divide 42 by the sum of the ratios [42 ÷ (4+7+3)], and multiply the ratios be the answer.
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