Răspuns:
x/y = 6 ==> x = 6×y
a) y= 2 => x = 6×2 = 12
b) y= 3 => x=6×3=18
c)y=5=>x=6×5=30;
d) y=25=>x=6×25=150
e)y=0,8=> x=6×0,8=4,8
f) y=1/2=>x=6×1/2=3
g)y=3/4=>x=6×3/4 = 18/4 = 9/2 = 4,5
h) y=5 pe langa 2/3 = (5×3+2)/3 = 17/3
==> x=6×17/3=2×17=34
i) y= 0,(12) = 12/99 = 4/33 => x= 6×4/33 = 2×4/11 = 8/11