Answer
85.5
Work Step by Step
$\frac{86+78+91+87}{2}$
$= \frac{342}{4}$
$=85.5$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 5 - Section 5.4 - Dividing Decimals - Exercise Set - Page 372: 107
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