Question

Find the unknown
G/20=0.65

0.7=7/W

N/50=0.18

Answer 1

g/20=0.65
times both side by 20
g=13

0.7=7/w
times both sides by w
0.7w=7
divide both sides by 0.7
w=10

n/50=0.18
times 50 both sides
n=9

Answer 2

I figured out that 0.7=7/W means that W=10.