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:
$4T=200+T-40$
$3T=160$
$T=\frac{160}{3}$
$T=N=53\frac{1}{3}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set - Page 151: 81
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