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Moo-ing along (Posted on 2004-09-03) Difficulty: 1 of 5
In five days, four black cows and three brown cows give as much milk, as five brown cows and three black cows would give in four days.

Which color cows are the best milk producers?

See The Solution Submitted by Federico Kereki    
Rating: 2.0000 (7 votes)

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Solution Solution | Comment 1 of 9

in math terms...

5(4bl + 3bn) = 4(5bn + 3bl)

8bl = 5bn

It takes 8 black cows to produce as much milk as only 5 brown cows; brown cows produce more milk.


  Posted by Jim on 2004-09-03 09:44:06
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