document.write( "Question 870832: A family takes a car trip. They travel for an hour at 80 km/h and then for 2 hours at 40 km/h. Find the average speed. (Hint: Remember to consider the total distance and the total amount of time) \n" ); document.write( "
Algebra.Com's Answer #525181 by ewatrrr(24785)\"\" \"About 
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\"160mi%2F%283hr%29\" = 53 1/3 kmph \n" ); document.write( "
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