Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 7 - Section 7.3 - Integrated Review - Percent and Percent Problems: 31

Answer

350

Work Step by Step

85% of what number is 297.5 ? 85% $\times$ x = 297.5 Translate to an equation 0.85 $\times$ x =297.5 Write 85% as 0.85 $\frac{0.85x}{0.85}$=$\frac{297.5}{0.85}$ Divide both sides by 0.85 x=$\frac{29750}{85}$ x=350 Check 85% $\times$ x = 297.5 85% $\times$ 350= 297.5 0.85$\times$ 350=297.5 297.5=297.5
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