Answer
$$a) $889.80 $$
$$b) $977$$
Work Step by Step
$$a) 87.20 \times \frac{100}{9.8}=889.7959184\approx$889.80 $$
$$b)87.20 \times \frac{100}{9.8}\times\frac{109.8}{100}=976.9959184\approx $977$$
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapters 1-10 - Cumulative Review Exercises - Page 760: 44
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