22.5 miles
You would create a proportion based on the given information, then cross multiply and solve for the number of miles 1 gallon of gas can go.
the anwser would be -2 because -2*3*3-2*8 equals -2
The answer is
T=70/r=70/<span> 24/100=100*70/24=7000/24=291.6
</span>T=<span>291.6</span>
Answer:
The missing exponent is 20.
Step-by-step explanation:

upper exponent minus lower exponent.