Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.6 - Percent and Mixture Problem Solving - Exercise Set: 59

Answer

You need 400 ounces of the self-tanning lotion.

Work Step by Step

$0.3*800+3x=1.20*(800+x)$ $240+3x=960+1.2x$ $1.8x=720$ $x=400$ Therefore, you need 400 ounces of the self-tanning lotion.
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