document.write( "Question 395149: A horse chases a pony 3 hours after the pony runs. Horse takes 4 hours to reach the pony. If the average speed of the horse is 35 kmph, what s the average speed of the pony? \n" ); document.write( "
Algebra.Com's Answer #280456 by mananth(16946)![]() ![]() You can put this solution on YOUR website! A horse chases a pony 3 hours after the pony runs. Horse takes 4 hours to reach the pony. If the average speed of the horse is 35 kmph, what s the average speed of the pony?\r \n" ); document.write( "\n" ); document.write( "speed of pony = x kmph \n" ); document.write( "distance run by pony in 3hours = 3x \n" ); document.write( "speed of horse = 35 kmph \n" ); document.write( "difference = 35-x \n" ); document.write( ".. \n" ); document.write( "time taken to catch the pony = 4 hours \n" ); document.write( "... \n" ); document.write( " catch up time = d/r \n" ); document.write( "4=3x/(35-x) \n" ); document.write( "4(35-x)= 3x \n" ); document.write( "140-4x=3x \n" ); document.write( "7x = 140 \n" ); document.write( "/7 \n" ); document.write( "x= 20 kmph. speed of pony \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |