SOLUTION: From a point on a river, two boats are driven in opposite directions, one at 10 mph and the other at 8 mph. At how many hours will they be 54 miles apart?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: From a point on a river, two boats are driven in opposite directions, one at 10 mph and the other at 8 mph. At how many hours will they be 54 miles apart?       Log On


   

Question 310781: From a point on a river, two boats are driven in opposite directions, one at 10 mph and the other at 8 mph. At how many hours will they be 54 miles apart?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
54=(10+8)T
54=18T
T=54/18
T=3 HOURS THEY WILL BE 54 MILES APART.