Question

Impartiti nr. 86 in parti direct proporionale cu 1,25 si 2,(3) va rog eu

Answer 1

$\frac{x}{1,25} = \frac{y}{2,(3)} \\ \frac{4x}{5}= \frac{3y}{7}$
$\frac{x}{15}= \frac{y}{28} =k \\ x=15k,y=28k \\ 43k=86$
k=2, x=30,y=56