Math Is Fun Forum

uzurpatorul

Member

Registered: 2009-06-25

Posts: 11

The value of n

Let n be a positive integer. If the equation x+y+z = n has 66 solutions
in non-negative integers x, y and z, then what is the value of n ?

Identity

Member

Registered: 2007-04-18

Posts: 934

Re: The value of n

Last edited by Identity (2009-08-13 18:00:05)

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: The value of n

Hi uzurpatorul;

Last edited by bobbym (2009-08-14 13:44:19)

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In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

mathsyperson

Moderator

Registered: 2005-06-22

Posts: 4,900

Re: The value of n

Edit: Wait, that's if non-negative is read as positive.
However,

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Why did the vector cross the road?
It wanted to be normal.

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: The value of n

Hi mathsy;

Non negative means positive and zero.

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In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

mathsyperson

Moderator

Registered: 2005-06-22

Posts: 4,900

Re: The value of n

I know, I just didn't read the question properly the first time.

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Why did the vector cross the road?
It wanted to be normal.