#### 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:
$4T=200+T-40$
$3T=160$
$T=\frac{160}{3}$
$T=N=53\frac{1}{3}$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

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

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