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| Math Central | Quandaries & Queries |
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Question from Caroline, a parent: Two cars pass each other going i opposite directions. One car is going 100 km/h and the other is going 80 km/h. How far apart will the two cars be after driving 45 minutes at these rates of speed? |
Hi Caroline,
After they pass each other at what rate is the distance between them changing? At that rate how far apart will they be in 45 minutes (3/4 of an hour)?
Penny
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