MATHCOUNTS Mini October 2011

[Iwannadare10]

Haha. "I thought we took care of all of the word problems last time!".

[rubixpuzzlechamp]

For the 3 consecutive int. problem, you just write out an algebraic equation:

(x+1)^2-x(x+2)=?

x^2+2x+1-x^2-2x=?

1=?

So one is the answer, and notice how short it is!!!

[295728735]

@rubixpuzzlechamp I did that in my head.