On Sep 17, 4:10*pm, Omelet > wrote:
> In article >,
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> *jack > wrote:
> > On Fri, 17 Sep 2010 10:57:30 -0700, spamtrap1888 wrote:
>
> > > On Sep 17, 9:16*am, blake murphy > wrote:
> > >> what is idiotic about teaching there other base numbers systems apart from
> > >> ten?
>
> > > It's not math you can use unless you want to be a programmer.
>
> > or a mathematician
> > or a physicist
> > or a rocket scientist
> > ....
> > > I wish elementary math classes spent more time on practical
> > > applications and less time on pure manipulation. (Mom and Dad want to
> > > paint their bedroom. Given that their room is 10 feet by 15 feet by 8
> > > feet high, how many gallons of paint do they need to buy, given that
> > > one gallon of paint covers 500 square feet, and two coats will be
> > > needed to cover the existing color.)
>
> > Problem description incomplete. What are the dimensions of the door, does
> > it have any windows, and if yes, how large?
>
> > -j
>
> Ooh good catch! *:-)
> I missed that detail!
>
> Also, how much will be wasted in the pans and on the rollers?

Make some reasonable assumptions. How big is the roller? How thick is
the nap? How big is the roller tray? Will it hold more than a paint
layer when all is said and done?