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Posted by tom on July 01, 2002 at 11:37:17:

In Reply to: Re: bolts along length of rectange posted by BoilingMan on July 01, 2002 at 09:59:50:

: : : : : a rectangle has a length of 100 inches and a width of 50 inches. There will be a bolt at each corner and then a bolt spaced every ten inches in both of the 100 inch sides. How many bolts will there be total?

: : :

: : : What it is? A joke?

: : : 22

: : No, not a joke . A legitimate question. I'm looking for methods used out there to solve it aside from drawing and taking physical measurement. Could you elaborate a little on how you arrived at the answer? Thank you, tom

:

: Well. To get one segment of the line you need to have two points. To cover two segments you need three points and so on. To cover N segments you need N+1 points, right? Only what you have to do figure out how many segments you have

: In this particular case all your segments are equal 10". N = 100" : 10" = 10 N+1 = 10 + 1 = 11

: For two side 11 * 2 = 22

: That is it.

Thanks. tom