Answer:it would cost her 36.82 to fill the 14 gallon tank.
Explanation:
Maria pumped 8 gallons of unleaded gas into her mini-SUV at a cost of 21.04. This means that the cost of 1 gallon of gasoline would be
21.04/8 = 2.63
if the cost of unleaded gas remained the same, then the cost of filling up the 14 gallon tank would be
14 × 2.63 = 36.82