SOLUTION: Francisco drives to work, which is 23 miles away, at a speed of 40 miles per hour. He drives home from work at a speed of 60 miles per hour. What is Francisco's average speed overa

Question 870541: Francisco drives to work, which is 23 miles away, at a speed of 40 miles per hour. He drives home from work at a speed of 60 miles per hour. What is Francisco's average speed overall?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Average speed is always ( total distance ) / ( total time )
Total distance = mi
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hrs
( total distance ) / ( total time ) =
( total distance ) / ( total time ) =
( total distance ) / ( total time ) = mi/hr

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