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 - Page 677: 11


$30\text{ lb}\approx 13.61\text{ kg}$

Work Step by Step

If want to convert from pounds to kilograms, we have to consider the following conversion rate: $2.2046 \text{ lb}\approx 1 \text{ kg}$ By dividing both sides by $2.2046$, we get: $1\text{ lb}\approx \frac{1}{2.2046} \text{ kg}$ We mulitply both sides by 30 in order to get the answer to the question: $30\text{ lb}\approx \frac{30}{2.2046} \text{ kg}\approx 13.607\text{ kg}$ By rounding it to two decimal places: $30\text{ lb}\approx 13.61\text{ kg}$
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