#### Answer

See below.

#### Work Step by Step

We find $50\%$ on the y-axis on the graph, which gives us the age of $85$.

Published by
Pearson

ISBN 10:
0-13417-894-7

ISBN 13:
978-0-13417-894-3

See below.

We find $50\%$ on the y-axis on the graph, which gives us the age of $85$.

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