12 = 6k
2 = k
4x = 32
x = 8
f/5 = 10
f = 50
24 = 2x
12 = x
6 = g/4
24 = g
12 = 1/2x
24 = x
1.5v = 9
v=6
x/8=6
x=48
2/3x=4
x=6
100 = 2.5g
40=g
t/7.2=3
t=21.6
1 1/2d = 4 1/2
d = 3