Miriam bought five cases of motor oil on sale. A case of motor oil normally costs $24.00, but she was able to purchase the oil for $22.50 a case. How much money did Miriam save on her entire purchase?

Miriam bought five cases of motor oil on sale. A case of motor oil normally costs $24.00, but she was able to purchase the oil for $22.50 a case. How much money did Miriam save on her entire purchase?

Detailed Explanation

Subtract the sale price from the regular price: 24.00 – 22.50 = 1.50. Multiply the remainder by the number of cases to get your answer: 1.50 × 5 = 7.50.