document.write( "Question 127407: Ching leaves San Francisco and travels toward Los Angeles at 50mi/h. An hour later, Phil leaves Los Angeles and travels toward San Francisco at 60mi/h. If the two cities are 380 miles apart, how many hours will it take for Ching to meet Phil? \n" ); document.write( "
Algebra.Com's Answer #93399 by scott8148(6628) You can put this solution on YOUR website! when Phil leaves, he and Ching are 330 mi (380-50) apart\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "they travel towards each other at 110 mph (60+50)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so it takes 3 hr (330/110) for Phil to meet Ching\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "BUT __ Ching had been traveling for an hour before Phil left \n" ); document.write( "__ so it takes Ching 4 hr (3+1) to meet Phil \n" ); document.write( " |