Monday

July 28, 2014

July 28, 2014

Posted by **Missy** on Monday, April 16, 2012 at 2:45pm.

- college algebra -
**Steve**, Monday, April 16, 2012 at 4:33pmoriginal side = n

slice = (1)n^2

is the 2nd slice from the other square face, or one of the four nx(n-1) faces?

Assuming the latter, lest the problem be too, too trivial, then the 2nd

slice = 3(n)(n-1)

n^3 - n^2 - 3n(n-1) = 1560

n^3 - 4n^2 + 3n - 1560 = 0

Hmmm. 1560 = 13*12*10

(n-13)(n^2 + 9n + 120)

so, n=13

original volume: 2197

1st slice: 13x13 = 169

2nd slice: 3x13x12 = 468

remaining: 1560

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