document.write( "Question 458087: A bicycle leaves town at 14mph at 8 a.m. A car leaves at 11 a.m., in the same direction at 45 mph. How many minutes after 11 a.m. is it when the car overtakes the bicycle? \n" ); document.write( "
Algebra.Com's Answer #314220 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! from 8 am till 11 am is three hours \n" ); document.write( "the bike had a three hour head start at 14 mph 3*14=42 miles \n" ); document.write( "as the bike is going 14 mph and the car at 45 from that point we need to calculate the gain on the bike. \n" ); document.write( "The car is gaining 45-14 =31 mph. \n" ); document.write( "So how long in minutes will it take the car to make up 42 at 31 mph \n" ); document.write( "42/31*60 about 81 minutes after 11am or about 12:21 pm \n" ); document.write( " \n" ); document.write( " |