perplexus.info :: Just Math : Cows, horses and dogs

Cows, horses and dogs (Posted on 2008-10-20)

I have cows, horses and dogs, a different prime number of each. If I multiply the number of cows (c) by the total of cows and horses (c+h), the product is 120 more than the number of dogs (d), that is: c*(c+h) = 120 + d.

How many of each do I have?

See The Solution Submitted by pcbouhid

Rating: 4.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: proof of uniqueness

| Comment 9 of 13 |

(In reply to proof of uniqueness by Paul)

That´s it!!!!

Posted by pcbouhid on 2008-10-21 07:39:21

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