Question

daca x/2=y/3=z/4 si z =6 atunci x+y =?

Answer 1

x/2=y/3=6/4 =>x=(2·6)/4=3
                    =>y=(3·6)/4=9/2
3 + 9/2 = (3·2+9)/2
            = 15/2
            = 7,5

Answer 2

Z/4 = 6/ 4= 1.5
X/2= 1.5
X= 3
Y/ 3 = 1.5
Y= 4.5
X+y= 3+4.5 = 7.5