SOLUTION: the tour train at Knott's Berry Farm lasts 4 hours the trip was a 15mph rate in the first 3 hours it drove at a 10mph rate what was the average speed for the last hour of the tour

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Question 610147: the tour train at Knott's Berry Farm lasts 4 hours the trip was a 15mph rate in the first 3 hours it drove at a 10mph rate what was the average speed for the last hour of the tour
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
total time = 4
distance = 15*3 + 1*10 = 45 + 10 =55
average speed = 55/4 = 13.75