document.write( "Question 840088: Hi. Can you please help me solve this problem? Jimmy can ride 7 km on his bicycle going to school at the same time it takes him to walk 3 km. If his riding rate is 2 kph faster than his walking rate, how fast does he walk? \n" ); document.write( "
Algebra.Com's Answer #505989 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! Jimmy can ride 7 km on his bicycle going to school at the same time it takes him to walk 3 km. \n" ); document.write( " If his riding rate is 2 kph faster than his walking rate, how fast does he walk? \n" ); document.write( ": \n" ); document.write( "Let s = his walking speed \n" ); document.write( "then \n" ); document.write( "(s+2) = his riding speed \n" ); document.write( ": \n" ); document.write( "Write a time equation time = dist/speed \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "cross multiply and find s \n" ); document.write( " |