Question

Если w:u =96 то, выражения (w:12):(u:2,5) равно

Answer 1

$\frac{w}{u}=96\\\\(w:12):(u:2,5) = \frac{w}{12}: \frac{u}{2,5}= \frac{w}{12}* \frac{2,5}{u} = \frac{2,5w}{12u} = \frac{2,5}{12}* \frac{w}{u}= \frac{2,5*96}{12}=$$2,5*8=20$