Mathematics

Adrian Long

17 April, 11:25

Janice rode her bike at an average of 12 miles per hour for 3 hours. Renee rode her bike at an average of 14 miles per hour for 2 hours.

Which explanation correctly tells how to calculate how many more miles Janice rode her bike than Renee?

A.

Step 1 Divide: 12 : 3.

Step 2 Divide: 14 : 2.

Step 3 Add the two quotients.

B.

Step 1 Divide: 12 : 3.

Step 2 Divide: 14 : 2.

Step 3 Subtract the two quotients.

C.

Step 1 Multiply: 12 * 3

Step 2 Multiply: 14 * 2.

Step 3 Add the two products.

D.

Step 1 Multiply: 12 * 3

Step 2 Multiply: 14 * 2.

Step 3 Subtract the two products.