Never passing up an opportunity to look dumb:

A does 1/3 room/hr.
B does 1/4 room/hr.

Equals 4/12 + 3/12 = 7/12 per hr.

Complete room = 12/12 or 1 & 5/12 hrs.

So.. 1hr & 25 min.

Ric


At 02:55 PM 1/17/2002 -0500, you wrote:
>Hi all,
>
>Well, here we go again with a math word problem where my answer (and
>a few others' answers do) does not jive with the answer provided by a local
>newspaper - the San Jose Mercury News, in this case.
>
>I appeal to the intelligence of this group to vindicate me or
>show me where I went wrong.
>
>Q: Person A can paint a room in 3 hours.  Person B can paint the
>same size room in 4 hours.  How long will it take for A and B to
>paint the room together?
>
>
>I will forward my solution after a few of you have a crack at this
>very simple problem!
>
>regards,
> Jeff
>
>* To join/leave the list, search archives, change list settings, *
>* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>
Ric
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