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March 5, 2015

March 5, 2015

Posted by **larry** on Thursday, August 28, 2008 at 8:04pm.

- math -
**Reiny**, Thursday, August 28, 2008 at 8:58pmthe 1 g weight can be used in 2 ways, either take it or don't take

the 2g weight can be used in 2 ways, either take it or don't take it

...

...

so there are 2x2x2x2x2 ways to use the weights or 32

but that includes the case where none of the weights are used and all of the weights are used.

So depending on the wording of the question I would subtract 1 for no weights at all,

so there would be 31 ways.

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