#### Answer

$x\geq 78.5$

#### Work Step by Step

$\frac{75+83+85+2x}{5}\geq80 \lt=\gt 243+2x \geq 400 \lt=\gt 2x \geq 157 \lt=\gt x\geq 78.5$

Published by
Pearson

ISBN 10:
0321726391

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

$x\geq 78.5$

$\frac{75+83+85+2x}{5}\geq80 \lt=\gt 243+2x \geq 400 \lt=\gt 2x \geq 157 \lt=\gt x\geq 78.5$

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