SOLUTION: Two cars leave towns
680
kilometers apart at the same time and travel toward each other. One car's rate is
16
kilometers per hour more than the other's. If they meet in
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Question 1102216: Two cars leave towns
680
kilometers apart at the same time and travel toward each other. One car's rate is
16
kilometers per hour more than the other's. If they meet in
4
hours, what is the rate of the faster car?
Found 2 solutions by josgarithmetic, Boreal:
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
------slower car
-
faster car:
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
Car a travels at x kph, B at x+16 kph
In 4 hours, their combined distance is 680 km
(2x+16)*4=8x+64=680
8x=616
X=77 kph A
X+16=93 kph B. ANSWER
Combined closing speed is 170 kph
4 hours to cover 680 km
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