Answer:
6%
Step-by-step explanation:
3/20=4/x
It is a indirect proportion so we reciprocal,
Then,
3/20=x/40
3×40=20×x
120=20x
x=120/20
x=6
6 1/8 ×10 2/7= 60
60÷2 1/3= 30
The answer:
30
I believe x is equal to 13/5