Answer
$\frac{63}{2}$ or 31.5
Work Step by Step
$(9 + 3(4-2)) \div \frac{10}{21}$
$=(9 + 6) \div \frac{10}{21}$
$=15 \div \frac{10}{21}$
$=\frac{15}{1} \times \frac{21}{10}$
$=\frac{315}{10}$
$=\frac{63}{2}$
$=31.5$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.6 - Complex Fractions and Review of Order of Operations - Exercise Set - Page 286: 77
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