# Math

Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part beyond forde lake?

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1. been there, done that see below

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posted by Damon
2. I replied to your answer with another question.

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posted by Bethany
3. Yes, it is a quadratic equation

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posted by Damon
4. I do not understand how 245+/-sqrt[(-245)^2-4(48)(-150)] equals 245+/-5sqrt(3553) which equals 543?

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posted by Bethany

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