Mathematics

Guest

10 November, 16:36

Brook drove a total of 180 miles in 3 hours. Diederick drove a total of 160 miles in 4 hours. Which explanation correctly describes a way to calculate how many miles per hour faster Brook drove than Diederick?

A. Step 1 Multiply: 180 * 3

Step 2 Multiply: 160 * 4

Step 3 Add the two products.

B.

Step 1 Divide: 180 : 3

Step 2 Divide: 160 : 4

Step 3 Add the two quotients.

C.

Step 1 Divide: 180 : 3

Step 2 Divide: 160 : 4

Step 3 Subtract the two quotients.

D.

Step 1 Multiply: 180 * 3

Step 2 Multiply: 160 * 4

Step 3 Subtract the two products.