SOLUTION: Glenn leaves the city of university village in his car, driving at a speed of 65 miles per hour . Twelve minutes later , Glenn's brother Waymon leaves university village in his car

Question 828439: Glenn leaves the city of university village in his car, driving at a speed of 65 miles per hour . Twelve minutes later , Glenn's brother Waymon leaves university village in his car, driving at a speed of 70 miles per hour. Both young men are on the same road heading to the town of New landing and drive at a constant rate. After Glenn has been driving four hours, exactly how far minutes, exactly how far in miles is Waymon ahead of Glenn ?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
4*65=260 miles distance Glenn traveled
(4-12/60)*70=266
266-260=6 miles
Waymon would be 6 miles ahead of Glenn
another way
In those 12 minutes, Glenn has gone 12/60*65=1/5*65=13 miles.
Waymon gains 5 miles an hour
5*(4-12/60)=5*3.8=19
19-13=6 miles

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