QUESTION 2
10 points
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Use a proportion to solve the problem.
On a map of the Fox River, 1 centimeter represents 3 kilometers. If a trail by the river is actually 14.70 kilometers long, what is the length of the trail on the map?
\( 6.7 \mathrm{~cm} \)
\( 11.7 \mathrm{~cm} \)
\( 6.9 \mathrm{~cm} \)
\( 4.9 \mathrm{~cm} \)
Answer
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Answer
\(x\approx4.9\mathrm{~cm}\)
Steps
Step 1 ：\(\frac{1\mathrm{~cm}}{3\mathrm{~km}} = \frac{x}{14.70\mathrm{~km}}\)
Step 2 ：\(x = \frac{14.70\mathrm{~km}}{3\mathrm{~km}}\mathrm{~cm}\)
Step 3 ：\(x\approx4.9\mathrm{~cm}\)
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