a. Suppose your average speed for the first 35 minutes was 55 miles per hour and

Question

a. Suppose your average speed for the first 35 minutes was 55 miles per hour and your average speed for the next 30 minutes was 45 miles per hour. What was your average speed (in miles per hour) for the entire 65 minute trip? miles per hour b. Suppose your average speed for the first 2 hours was 62 miles per hour and your average speed for the next 45 minutes was 65 miles per hour. What was your average speed (in miles per hour) for the entire 2 hour and 45 minute trip? Round your answer to the nearest hundredth. miles per hour

Explanation / Answer

a) Average Speed = Total Distance/Total Time Taken

Average Speed = (35*55+30*45)/65 = 655/13 miles/hr

b) Average Speed = (2*62+3/4*65)/(2+3/4)= 691/11 miles/hr

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