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 #473934 by FrankM(1040)\"\" \"About 
You can put this solution on YOUR website!
In an hour, the slower car moves 40 miles. At that point the second car is approaching it at a rate of 20MPH, the difference of their two speeds. It takes two hours to catch up. \n" ); document.write( "
\n" );