Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 5 - Ratio and Proportion - Review Exercises: 40

Answer

68 ft is the length of the real box car.

Work Step by Step

Let's assume the x is length of the real boxcar . Now, we will write the proportion for the given details $\frac{1 inch }{16 ft} = \frac{4.25 inch}{x ft}$ so. $ 1\times x= 4.25\times 16$ (cross multiply) $ x = 68$ 68 ft is the length of the real box car.
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