SOLUTION: A train travell 60km/hr for 0.52 hr,30km/hr for the next 0.24hr and then 70km/hr for the next 0.71hr. What is the avrage speed of the time

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: A train travell 60km/hr for 0.52 hr,30km/hr for the next 0.24hr and then 70km/hr for the next 0.71hr. What is the avrage speed of the time      Log On


   

Question 1087231: A train travell 60km/hr for 0.52 hr,30km/hr for the next 0.24hr and then 70km/hr for the next 0.71hr. What is the avrage speed of the time
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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60km/hr for 0.52 hr,30km/hr for the next 0.24hr and then 70km/hr for the next 0.71hr.
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Total Distance: 60%2A0.52%2B30%2A0.24%2B70%2A0.71=88.1, kilometers
Total Time: 0.52%2B0.24%2B0.71=1.47, hours


AverageSpeed=%28TotalDistance%2FTotalTime%29