Answer:
It will cost Irene $31.45 to fill the tank
Explanation:
Irene's tank holds 14 gallons. It has 5.5 gallons in it.
14- 5.5 = 8.5
Irene can put in 8.5 gallons to fill it.
8.5 gallons and $3.70
8.5 * 3.7 = $31.45
It will cost Irene $31.45 to fill the tank