Difference between revisions of "Mock AIME 2 2006-2007 Problems/Problem 11"

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	== Problem ==		== Problem ==
−	The positive integers <math>\displaystyle x_1, x_2, ... , x_7</math> satisfy <math>\displaystyle x_6 = 144</math> and <math>\displaystyle x_{n+3} = x_{n+2}(x_{n+1}+x_n)</math> for <math>\displaystyle n = 1, 2, 3, 4</math>. Find <math>\displaystyle \lfloor x_7 /10 \rfloor </math>.

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