document.write( "Question 882557: I can bike 4 miles in the same amount of time as it takes my friend to run 3 miles. If I can cycle 2 miles per hour faster than my friend, how fast can I cycle?
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Algebra.Com's Answer #532929 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! I can bike 4 miles in the same amount of time as it takes my friend to run 3 miles. If I can cycle 2 miles per hour faster than my friend, how fast can I cycle? \n" ); document.write( "*** \n" ); document.write( "let x=speed of runner \n" ); document.write( "x+2=speed of cyclist \n" ); document.write( "travel time=distance/speed (equal for both runner and cyclist) \n" ); document.write( ".. \n" ); document.write( "4/(x+2)=3/x \n" ); document.write( "4x=3x+6 \n" ); document.write( "x=6 \n" ); document.write( "x+2=8 \n" ); document.write( "speed of cyclist=8 mph \n" ); document.write( " |