Question

John skied cross country for 12 miles at 3 miles per hour. He finished skiing at 2:00 p.m.

Which explanation correctly tells how to calculate what time John started skiing?

A.
Step 1 Divide: 12 ÷ 4.
Step 2 Add the quotient to 2:00 p.m.
Step 3 Write the answer as 6 p.m.

B.
Step 1 Multiply: 12 × 3.
Step 2 Subtract the product from 2:00 p.m.
Step 3 Write the answer as 1:24 p.m.

C.
Step 1 Divide: 12 ÷ 3.
Step 2 Subtract the quotient from 2:00 p.m.
Step 3 Write the answer as 10:00 a.m.

D.
Step 1 Divide: 12 ÷ 4.
Step 2 Subtract the quotient from 2:00 p.m.
Step 3 Write the answer as 11:00 a.m.

Answer 1

explanation c is correct.
you have to figure out how many hours he skied by dividing 12miles by 3mph to get 4 hours
you subtract the 4 by the time he finished (2pm) to get 10am

Answer 2

Option C

Explanation:

12 miles / 3 mph would equal 4 hrs of travel. He left at 11 AM because 2:00 - 4 hrs is 11 AM.