[GRLUG] Math Question

[Adam Tauno Williams]

On Wed, 2009-11-04 at 09:41 -0500, Michael Mol wrote:
> On Wed, Nov 4, 2009 at 8:48 AM, Adam Tauno Williams
> <awilliam at whitemice.org> wrote:
> > So maybe a bit off topic, but I know we have people here you love to
> > argue about such things.
> > I have three types of equipment: X, Y, & Z.
> > Given $1.00 I know that in a year a single type X will typically consume
> > 14% of that $1, type Y 30%, and type Z 56%.  So if I have x Xs, y Ys,
> > and z Zs how do I calculate what percentage of the maintenance budget of
> > N will typically be consumed by type X, Y, and Z?
> C = consumed
> D = your given 1$ (Redundant, plug in whatever you want, or factor it out.)
> N = your budget
> x = number of Xs
> y = number of Ys
> z = number of Zs
> C = D * (x*0.14 + y*0.30 + z*0.56)
> Percentage = N/C.

Thanks, you've settled an intra-office argument.  Only their entire
approach to the problem was wrong anyway. :)