Question

fuste plus rochii plus bluze egal 950 ,fuste de 3ori mai multe decat rochii bluze cu 40mai multe decat fuste .?fuste ,? rochi ?bluze .

Answer 1

$f+r+b=950 \\\\ f=3r \\\\ b=40+f \\\\ b=40+3r \\\\\\ 3r+r+3r+40=950 \\\\ 7r=950-40 \\\\ 7r=910 \ \ \ |:7 \\\\ \boxed{r=130 \ rochii} \\\\ f=3*130 \\\\ \boxed{f=390 \ fuste} \\\\ b=40+390 \\\\ \boxed{b=430 \ bluze}$