Question 1205099
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He walked for a total of 9 hours. 4 of those hours he was walking at 2.5 mph; the rest of the time , which was 9-4 = 5 hours, he was walking at 2.75 mph.<br>
Before his lunch break, the distance he covered was 4(2.5) = 10 miles; after the break he covered 5(2.75) = 13.75 miles.<br>
Use those numbers to answer the questions.<br>