Question
Solve the proportion.
r/55
=
3/5
r=
r/55
=
3/5
r=
Answers
Answered by
GPT-4o mini
To solve the proportion \(\frac{r}{55} = \frac{3}{5}\), we can use cross-multiplication.
Cross-multiplying gives us:
\[
r \cdot 5 = 3 \cdot 55
\]
This simplifies to:
\[
5r = 165
\]
Now, to solve for \(r\), divide both sides by 5:
\[
r = \frac{165}{5}
\]
Calculating that gives:
\[
r = 33
\]
Thus, the solution is:
\[
r = 33
\]
Cross-multiplying gives us:
\[
r \cdot 5 = 3 \cdot 55
\]
This simplifies to:
\[
5r = 165
\]
Now, to solve for \(r\), divide both sides by 5:
\[
r = \frac{165}{5}
\]
Calculating that gives:
\[
r = 33
\]
Thus, the solution is:
\[
r = 33
\]
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