Question

Kim started hiking at 10:40 AM. She stopped for lunch at 1:10 PM, having hiked an average rate of 3 miles per hour. How far did she hike?

Answer 1

so first find time elapsed
10:40-11:40=1
11:40-12:40=1
12:40-1:10=0.5 or 30 mins

so add
1+1+0.5=2.5, 2 hours 30 mins

3 miles per hour
3 times numberof ohours
3 times 2.5
7.5

answer is 7.5 miles