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?

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03-03-2016
Mathematics

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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?

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apologiabiology apologiabiology · Answer 1 · 2016-03-06T09:02:33+01:00

apologiabiology apologiabiology

06-03-2016

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

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