Question

2/3×a +1/4×a=99 a=? Va rog ajutati-ma!!!!!!!!!!!

Answer 1

$\frac{2}{3} a$ + $\frac{1}{4} a$=99
$\frac{6a}{12}$+$\frac{3a}{12}$=99
$\frac{9}{12} a$=99
$\frac{3}{4} a$=99
a=99·$\frac{4}{3}$
a=33·4
a=132
coroana?

Answer 2

2/3*a+1/4*a=99
8/12*a+3/12*a=99
11/12*a=99
a=99*11/12=108