SOLUTION: two cars leave a point at the same time,travelling in opposite directions. one car is driving 16km/h faster than the other.After four and half hours, the cars are 855km apart.Fin

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Question 319481: two cars leave a point at the same time,travelling in opposite directions.
one car is driving 16km/h faster than the other.After four and half hours,
the cars are 855km apart.Find the speed of each car.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
955=(X+X+16)4.5
855=(2X+16)4.5
855=9X+72
9X=855-72
9X=783
X=783/9
X=87 SPEED OF THE SLOWER CAR.
87+16=103 SPEED OF THE FASTER CAR.
PROOF:
955=(87+103)4.5
855=190*4.5
855=855