by **RonPurewal** Sat Oct 24, 2009 8:10 am

you can also solve this problem by plugging in the answer choices.

note that 2/5 is 40%.

start with (a), since you're looking for the smallest viable solution.

(a) --> this would be 12/29, which is greater than 40%. no go.

(b) --> this would be 12/30, which is exactly 40%. no go.

(c) --> this would be 12/31, which is less than 40%. correct answer.

Pueden hacerle preguntas a Ron en castellano

Potete fare domande a Ron in italiano

On peut poser des questions à Ron en français

Voit esittää kysymyksiä Ron:lle myös suomeksi

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– Yves Saint-Laurent