James filled 4 glasses with milk. patrick filled 6 glasses with milk. each glass held 8 ounces of milk. which method explains a way to calculate the difference in the amount of milk each boy poured? a. step 1 multiply: 4 × 8. step 2 multiply: 6 × 8. step 3 add the products. b. step 1 divide: 8 ÷ 4. step 2 divide: 8 ÷ 6. step 3 add the quotients. c. step 1 multiply: 4 × 8. step 2 multiply: 6 × 8. step 3 subtract the products. d. step 1 divide: 8 ÷ 4. step 2 divide: 8 ÷ 6. step 3 subtract the quotients.