Question

calcule o valor de x,y e z em:
2/3=x/9=8/y=18/z-4

Answer 1

2/3=x/9
x=18/3
x=6

6/9=8/y
y=72/6
y=12

8/12=18/z-4
z-4=216/8
z-4=27
z=27+4
z=31

x=6, y=12 e z=31