SOLUTION: two cars leave the same place at the same time traveling in the same direction for 3 hours. the first car travels twice as fast as the second car. how fast is the second car travel
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Question 838808: two cars leave the same place at the same time traveling in the same direction for 3 hours. the first car travels twice as fast as the second car. how fast is the second car traveling if they are 90 miles apart when they stop?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
20 and 10
3*(2x+x)=90
3x=30
x=10 second car
2x=20 first car
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