Question

suma dintre sfertul si jumatatea unui nr.este 225.Sa se afle acel nr.

Answer 1

$\frac{a}{4}+\frac{a}{2}^{(2}=225^{(4} \\\\ a+2a=225*4 \\\\ 3a=225*4 \\\\ a=\frac{\not225*4}{\not3} \\\\ a=75*4 \\\\ \boxed{a=300}$