document.write( "Question 1001817: Philip jogged from his house to a park at an average rate of 12mph where he met his friend Julia. Julia then drove him home at an average rate of 35mph. If the whole trip took 3 hours, how far is it from Philip's house to the park? \n" ); document.write( "
Algebra.Com's Answer #618908 by mananth(16946)![]() ![]() You can put this solution on YOUR website! jogging rate = 12 mph \n" ); document.write( "distance be x\r \n" ); document.write( "\n" ); document.write( "time jogging = x/12\r \n" ); document.write( "\n" ); document.write( "car speed = 35 mph \n" ); document.write( "time return by car = x/35\r \n" ); document.write( "\n" ); document.write( "x/12 + x/35 = 3\r \n" ); document.write( "\n" ); document.write( "(35x+12x)/12*35 = 3\r \n" ); document.write( "\n" ); document.write( "47x = 3*12*35\r \n" ); document.write( "\n" ); document.write( "x = 3*12*35/47\r \n" ); document.write( "\n" ); document.write( "x= 26.8 miles\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |