document.write( "Question 826901: A car travels up a hill at a constant speed of 36 km/h and returns down at a constant speed of 70 km/h. After that it covers 1km with 30km/hr calculate average speed \n" ); document.write( "
Algebra.Com's Answer #498360 by ankor@dixie-net.com(22740)\"\" \"About 
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A car travels up a hill at a constant speed of 36 km/h and returns down at a constant speed of 70 km/h.
\n" ); document.write( " After that it covers 1km with 30km/hr calculate average speed
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