Answer:
110.52
Step-by-step explanation:
We can use a ratio to solve
22.2 gallons 30.7 gallons
-------------------- = --------------------
79.92 dollars x dollars
Using cross products
22.2 *x = 30.7 * 79.92
22.2x =2453.544
Divide each side by 22.2
22.2x/22.2 =2453.544/22
x =110.52
