SOLUTION:  On a recent trip to CA, we averaged 50 miles per hour. On the return trip we averaged 60 miles per hour. What do you think the average speed of the trip to CA and back was? Algebr

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION:  On a recent trip to CA, we averaged 50 miles per hour. On the return trip we averaged 60 miles per hour. What do you think the average speed of the trip to CA and back was? Algebr      Log On


   

Question 491770:  On a recent trip to CA, we averaged 50 miles per hour. On the return trip we averaged 60 miles per hour. What do you think the average speed of the trip to CA and back was? Algebraically determine the average speed of the trip to CA and back.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Avg speed of a round trip = 2*50*60/(50 + 60)
= 6000/110
=~ 54.545 mi/hr