document.write( "Question 442590: Jill is 22 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 3km/hr. They meet in 4 hours. How fast is Joe walking? \n" ); document.write( "
Algebra.Com's Answer #305322 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Jill 3km/h \n" ); document.write( "Joe xkm/h \n" ); document.write( "towrads each other so combined speed = x+3 km/h \n" ); document.write( "distance = 22 km\r \n" ); document.write( "\n" ); document.write( "t= distance/speed \n" ); document.write( "time = 4 h \n" ); document.write( "22/(x+3)=4 \n" ); document.write( "22=4(x+3) \n" ); document.write( "22=4x+12 \n" ); document.write( "4x=10 \n" ); document.write( "x=2.5 km/h Joe's speed \n" ); document.write( " |