Algebra: A Combined Approach (4th Edition)

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

Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set: 81

Answer

$T=N=53\frac{1}{3}$

Work Step by Step

$T=50+\frac{N-40}{4}$ $T=50+\frac{T-40}{4}$ Multiply both sides by 4: $4T=200+T-40$ $3T=160$ $T=\frac{160}{3}$ $T=N=53\frac{1}{3}$
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