SOLUTION: A truck with a heavy load drove from Boston to New York at 50 mph. After dropping off the load it returned from New York to Boston with a speed of 70 mph. What is the average speed

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Question 1037349: A truck with a heavy load drove from Boston to New York at 50 mph. After dropping off the load it returned from New York to Boston with a speed of 70 mph. What is the average speed of the truck for the whole trip?
Answer by ikleyn(52754) About Me  (Show Source):
You can put this solution on YOUR website!
.
A truck with a heavy load drove from Boston to New York at 50 mph. After dropping off the load it returned from New York to Boston
with a speed of 70 mph. What is the average speed of the truck for the whole trip?
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See the lesson Calculating an average speed: a train going from A to B and back in this site,
where a similar problem was solved.

Read the solution, consider it as a sample.
Then substitute your data and get the solution.

In this way you will learn how to solve it.