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To solve a proportion first the two numbers that are diagonal.

To solve a proportion first the two numbers that are diagonal.-example-1
User Sebin Roy
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5 votes

we have


\begin{gathered} (2100)/(30)=(x)/(45) \\ 30* x=45*2100 \\ 30x=94500 \\ (30x)/(30)=(94500)/(30) \\ x=3150 \end{gathered}

answer: 3,150 times every 45 minutes

User Peter Lang
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