document.write( "Question 777140: How many hours will it take a car traveling at 60 mph to catch up to a car traveling at 40 mph if the slower car starts one hour before the faster car? And please show the work so i can understand it \n" ); document.write( "
Algebra.Com's Answer #473936 by mananth(16946)\"\" \"About 
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How many hours will it take a car traveling at 60 mph to catch up to a car traveling at 40 mph if the slower car starts one hour before the faster car? And please show the work so i can understand it
\n" ); document.write( "Car I speed = 40 mph\r
\n" ); document.write( "\n" ); document.write( "Car II speed = 60 mph\r
\n" ); document.write( "\n" ); document.write( "Before Car II starts Car I has traveled 40 miles in 1 hour.\r
\n" ); document.write( "\n" ); document.write( "Since they are traveling in same direction effective speed = 60-40 mph
\n" ); document.write( "=20 mph\r
\n" ); document.write( "\n" ); document.write( "Catch up speed = 20 mph
\n" ); document.write( "catch up distance = 40 miles\r
\n" ); document.write( "\n" ); document.write( "time to catch up = 40/20 = 2 hours
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