Answer
$9\frac{3}{4}$ minutes
Work Step by Step
$2\frac{2}{3} + 4\frac{7}{15} + 2\frac{37}{60} = 2\frac{40}{60} + 4\frac{28}{60} + 2\frac{37}{60} = 8\frac{105}{60} = 9\frac{45}{60} = 9\frac{3}{4}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.7 - Operations on Mixed Numbers - Exercise Set - Page 302: 89
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