How do you solve $40 = \frac{4}{5} u$ $40 = 4/5u$ ?

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Answer 1 · 2016-05-26T15:32:09

$u = 50$ $u = 50$

$40 = \frac{4}{5} u$ $40 = 4/5 u$

$40 = (\frac{4}{5}) u$ $40 =color(blue)( (4/5)) u$

$40 \cdot \frac{5}{4} = u$ $40 * color(blue)( 5/4) = u$

$cancel40 * color(blue)( 5/cancel4) = u$

$10 * 5 = u$

$u = 50$

How do you solve 40 = 4/5u40=45u40 = 4/5u?