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put this solution on YOUR website!Camper 53 mph
Car 68 mph
Difference in time= 3 hours
Camper will have covered 159.00 miles before Car starts on highway
catch up distance= 159.00 miles
catch up speed = 68 -53 mph
catch up speed = 15 mph
Catchup time = catchup distance/catch up speed
catch up time= 159 / 15
catch up time= 10.60 hours
10 hours 36 minutes