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Re: Dividing brownies

Posted by Pdianek on December 22, 2003

In Reply to: Re: Dividing brownies posted by ESC on December 21, 2003

: : Recently, the "9 dot puzzle" was used by Bob to illustrate "thinking out of the box."
: : Yesterday, on the radio show Car Talk, the "brownie puzzle" was given along with
: : two solutions -- a thinking out of the box solution as well as a thinking in the box solution.

: : Puzzle: Mom made brownies in a rectangular baking dish. Dad cut a rectangle of
: : brownies out of the interior of the dish but not touching the sides of the dish.
: : (Dad's rectangle may be at an angle to the dish, it may be one-third of the size of the
: : dish, one seventh of the size etc. ) How does mom use one stroke of the knife to
: : ensure that her two children share the brownies equally?

: : The TOB solution: She holds the knife blade parallel to the table when cutting the
: : brownies in half.

: : The TIB solution: She holds the knife blade perpendicular to the table when
: : cutting -- hitting the center point of the baking dish as well as the center point
: : of the missing rectangle.

: That's over my head. But I just wanted to say that I love "Car Talk." It is a National Public Radio program (U.S.). People call in and describe their car problems. The hosts try to figure out those problems. But the thing is, the hosts are brothers who crack each other up. I guess you'd have to be there.

I love "Car Talk", too! The brothers (with pronounced Boston-area accents) are so wry I often laugh out loud.

The TIB solution (cutting the brownies with the knife over them) is far, far easier than (TOB) removing the brownies from the pan, placing them on a flat surface and cutting through them horizontally. By the time you finished doing it the latter way, the kids could have eaten their brownies and dived back into their copies of "Inkheart".

And what did the brothers say about Dad's self-centeredness, cutting out a brownie with no harder edges?