Question

​​​​​​​​​If natural gas gives off 30 units of energy, but takes 5 units of energy to produce, what is its net energy ratio?

600
60
6
0.6

Answer 1

yea, I agree with the top. 5×6 is 30 so 6 should be the answer.

Answer 2

.6 because if you put it into a fraction you can simplfy it