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02-02-2017
Mathematics

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if a/4 = b/7, what is the value of a-b/b?
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ssaaffiya ssaaffiya

08-02-2017

a/4 = b/7 Cross multiply: 7a =4b Divide by b: (7a/b)=4 Multiply by 1/7: a/b =4/7
4/7 is your answer

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