Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 9 - Measurement - 9.3 Measuring Weight and Temperature - Exercise Set 9.3 - Page 603: 65


c. 1500 kg

Work Step by Step

A weight of 1500 dag is equal to 15 kg which is clearly too small. A weight of 1500 hg is equal to 150 kg which is clearly too small. A typical African elephant might weight about 5000 kg. If a car weighed 15,000 kg, this would be the weight of three African elephants which seems too large for one regular-size car. If a car weighed 1500 kg, then the weight of one African elephant would be similar to the weight of three regular-size cars. This seems like a reasonable weight for a regular-size car. The best estimate for the weight of a regular-size car is 1500 kg.
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