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40 votes
40 votes
When 64 is increased in the ratio 9 : 8 it becomes what?

User VorteXavier
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1 Answer

21 votes
21 votes

Let the increased quantity be x.

Thus, we have:


\begin{gathered} (x)/(64)=(9)/(8) \\ \text{cross}-\text{multiply} \\ 8x=576 \\ x=(576)/(8) \\ x=72 \end{gathered}

Hence, the increased quantity is 72

User Benjamin White
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