SOLUTION: Two​ cars, 465 kilometers​ apart, begin driving toward each other on a​ long, straight highway. One car travels 75 kilometers per hour and the other 8080 kilomete

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Question 1044360: Two​ cars, 465 kilometers​ apart, begin driving toward each other on a​ long, straight highway. One car travels 75 kilometers per hour and the other 8080 kilometers per hour. At the same​ time, a​ canary, starting on one​ car, flies back and forth between the two cars as they approach each other. If the canary flies 100 kilometers per hour and spends no time to turn around at each​ car, how far has it flown when the cars​ collide?

Answer by jorel555(1290)   (Show Source): You can put this solution on YOUR website!
The cars are heading toward each other, one at 75 kmh, the other at 80 kmh (I'm assuming). This gives them a total velocity of 75+80, or 155 kmh. So:
465/155=3 hours before impact.
If the canary is flying at the rate of 100 kmh, and does so for the 3 hours before impact, it will have traveled a total distance of 3 x 100, or 300 kms before the cars collide. ☺☺☺☺
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