Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 9 - Section 9.7 - Temperature and Conversions Between the U.S. and Metric Systems - Exercise Set: 18

Answer

$250\text{ cm}\approx 98.425\text{ in} \approx 8.202 \text{ ft}$

Work Step by Step

If want to convert from centimeters to inches, we have to consider the following conversion rate: $2.54 \text{ cm}= 1 \text{ in}$ By dividing both sides by $2.54$, we get: $1\text{ cm}= \frac{1}{2.54} \text{ in}$ We mulitply both sides by 250 in order to get the answer to the question: $250\text{ cm}= \frac{250}{2.54} \text{ in}\approx 98.425\text{ in}$ After that, for the conversion inch to feet the following conversion rate applies: $12 \text{ in}=1 \text{ ft}$ By dividing both sides by $12$, we get: $1\text{ in}= \frac{1}{12} \text{ ft}$ We mulitply both sides by 98.425 in order to get the answer to the question: $98.425\text{ in}= \frac{98.425}{12} \text{ ft}\approx 8.202\text{ ft}$
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