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 2 years ago
this is rather very simple algebra question.
#1) sam drives 20 miles at the rate of 60mph and then reduced the speed to 40mps at bumpy road for another 8 miles drive. What is the average speed of the entire driving?
 2 years ago
this is rather very simple algebra question. #1) sam drives 20 miles at the rate of 60mph and then reduced the speed to 40mps at bumpy road for another 8 miles drive. What is the average speed of the entire driving?

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sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.3First calculate the total time taken for the entire diving. Total time taken = 20/60 + 8/40 = 8/15 hours

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.3Now, average speed = distance travelled / time taken =28/(8/15) =52.5mph

dkim100
 2 years ago
Best ResponseYou've already chosen the best response.0Thank you so much!! I have got mixed up with something else here and went circling around. thanks for the help!1
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