document.write( "Question 937763: a car traveled at 50 km/h for 4 hours and at 60 km/h for 3 1/2 hours. what was the average speed for the whole journey???
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Algebra.Com's Answer #571182 by ankor@dixie-net.com(22740)\"\" \"About 
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a car traveled at 50 km/h for 4 hours and at 60 km/h for 3 1/2 hours.
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\n" ); document.write( "Average speed is total dist/total time
\n" ); document.write( "Find the total distance
\n" ); document.write( "4(50) + 3.5(60) = 410
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\n" ); document.write( "\"410%2F%284%2B3.5%29\" = 54\"2%2F3\" mph
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