SOLUTION: how fast did a car go to overtake a bus in 6 hours if the bus average 45mph and left 3 hours befor the car?

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Question 153794: how fast did a car go to overtake a bus in 6 hours if the bus average 45mph and left 3 hours befor the car?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
6X=45(3+6)9
6X=45*9
6X=405
X=405/6
X=67.5 MPH IS THE SPEED OF THE CAR.