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: ( You must be logged in to post comments.)

Subject	Author	Date
No Subject	Amanda Holmes	2022-04-18 11:11:02
Puzzle Solution	K Sengupta	2008-11-21 05:05:24
Answer	K Sengupta	2008-11-20 00:41:13
Solution	hoodat	2008-10-26 23:51:19
re: proof of uniqueness	pcbouhid	2008-10-21 07:39:21
proof of uniqueness	Paul	2008-10-20 21:01:56
re(2): Agreed - to rod	pcbouhid	2008-10-20 17:55:32
re: Agreed	rod hines	2008-10-20 17:18:19
Agreed	ed bottemiller	2008-10-20 16:38:48
re: Odds are	rod hines	2008-10-20 15:14:16
Odds are	ed bottemiller	2008-10-20 13:25:15
computer solution	Charlie	2008-10-20 12:22:28
Solution	ed bottemiller	2008-10-20 11:23:11

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