document.write( "Question 358590: A family takes a car trip. They travel for an hour at 90 km/h and then for two hours at 40km/h Find their average speed during the trip \n" ); document.write( "
Algebra.Com's Answer #255937 by Alan3354(69443)\"\" \"About 
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Find the total distance.
\n" ); document.write( "Divide that by the total time.
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