#### Answer

x= 20

#### Work Step by Step

$m=\frac{2}{5}=\frac{4}{0,5x}\lt=\gt \frac{2}{5}\times0.5x=4 \lt=\gt x=20$

Published by
Pearson

ISBN 10:
0321726391

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

x= 20

$m=\frac{2}{5}=\frac{4}{0,5x}\lt=\gt \frac{2}{5}\times0.5x=4 \lt=\gt x=20$

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