document.write( "Question 1126350: a car takes 1 hour to travel 100 km along a main road and then 1/2 hour to travel 20 km along a side road.
\n" ); document.write( "What is the average speed of the car?
\n" ); document.write( "a. 60 km/h
\n" ); document.write( "b. 70 km/h
\n" ); document.write( "c. 80 km/h
\n" ); document.write( "d. 100 km/h
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Algebra.Com's Answer #742659 by Alan3354(69443)\"\" \"About 
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a car takes 1 hour to travel 100 km along a main road and then 1/2 hour to travel 20 km along a side road.
\n" ); document.write( "What is the average speed of the car?
\n" ); document.write( "----------
\n" ); document.write( "Total distance = 120 km
\n" ); document.write( "Total time = 1.5 hours
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