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September 3, 2015

Homework Help: maths

Posted by Audrey on Friday, October 19, 2007 at 6:14pm.

The number of arrangements of five letters from the word 'magnetic' that contain the word net is:

a)60 b)100 c)360 d)630 e)720

we're still doing this at school and I still don't get it; since I have to use three of the eight letters I only have five left and can only use two of them, so should I multiply 8 by 5?

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