A) If they pay an average of 4.25$ per gallon on gas, 8 gallons would cost 34$ (ex. 4.25•8=34)
B) If her car goes an average of 24 gallons per mile, it would cost her 318.76$ for her to go 74 miles.
C) If she drove 10,000 miles it would cost her 42,500$ sense(4.25•10000=42,500)