Quandaries
and Queries |
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My name is Markequetta. I was asked a question by a friend who refuses to give the right answer to a question that I answered wrong. So if you can help me that would be great! The level of my question is secondary I believe. Question: Cows cost: $10 Chickens cost: $0.50 Pigs cost: $3 You have to buy 100 animals and spend $100, so how many cows, chickens, and pigs do you have on your farm? |
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Hi Markequetta, If you buy 5 cows, 94 chickens and 1 pig, you will have 100 animals for $50 + $47 + $3 = $100, and you can check that this is the only solution in integers of the system x + y + z = 100, 10x + y/2 + 3z = 100, where x is the number of cows, y is the number of chickens and z is the number of pigs. However, I don't think that this is the answer to the question. The question is
If you have to buy them, you don't have already, do you? So I think that the right Claude |