Answer
105 sec = $1\frac{3}{4}min$
Work Step by Step
Use unit fractions to convert.
$105sec\times\frac{1min}{60sec}=\frac{105}{60}min=1\frac{45}{60}min=1\frac{45\div15}{60\div15}min=1\frac{3}{4}min$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapters 1-7 - Cumulative Review Exercises - Page 529: 20
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