#### Answer

$\frac{9}{t}$

#### Work Step by Step

$\frac{7}{t}+\frac{2}{t}=\frac{7+2}{t}=\frac{9}{t}$

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

$\frac{9}{t}$

$\frac{7}{t}+\frac{2}{t}=\frac{7+2}{t}=\frac{9}{t}$

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