Question

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.

Answer 1

C. is right
It is right because you need to divide the miles by time and then find the deference with them.