document.write( "Question 848432: Jessica walks and jogs to the university each day. If she averages 5 km/hr walking 9 km/hr jogging, how far does she jog in the distance from her home to the university is 8 km and Jessica makes the trip in 1 hour? \n" ); document.write( "
Algebra.Com's Answer #511074 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! w+j=1, \n" ); document.write( "5w+9j=8 \n" ); document.write( "j = 3/4, w = 1/4 hour \n" ); document.write( "jog 9*3/4=27/4 km \n" ); document.write( "walk 5*1/4=5/4 km \n" ); document.write( "check \n" ); document.write( "9*3/4+5/4=8 \n" ); document.write( "27/4+5/4=32/4 \n" ); document.write( "ok\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |