On Fri, 17 Sep 2010 16:55:21 -0400, J. Clarke wrote:

> On 9/17/2010 3:35 PM, jack wrote:
>> Problem description incomplete. What are the dimensions of the door,
>> does it have any windows, and if yes, how large?
>
> You're overthinking the problem. Remember, your granularity is gallons.

Not really. Granularity of the final answer is gallons, ceil(calculated
amount), since I buy paint by the gallon. If door+windows brings the
calculated amount from n+0.1 to n-0.1, that saves buying one gallon.

-j