Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapters 1-7 - Cumulative Review Exercises - Page 529: 20


105 sec = $1\frac{3}{4}min$

Work Step by Step

Use unit fractions to convert. $105sec\times\frac{1min}{60sec}=\frac{105}{60}min=1\frac{45}{60}min=1\frac{45\div15}{60\div15}min=1\frac{3}{4}min$
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