SOLUTION: two cars leave from merrillville indiana at the same time and travel in the same direction one car travels one and three quater times as fast as the other after 3.5 hours they are
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Question 164778: two cars leave from merrillville indiana at the same time and travel in the same direction one car travels one and three quater times as fast as the other after 3.5 hours they are 105 miles apart what is the speed of each car Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 3.5(1.75x-x)=105
3.5*.75x=105
2.625x=105
x=105/2.625
x=40 mph for the slow car
40*1.75=70 mph for the faster car.
Proof:
3.5(1.75*40-40)=105
3.5(70-40)=105
3.5*30=105
105=105
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