CEMC Pascal, 2006

Algebra Difficulty 1.0 Junior Find the answer Canada

In the diagram, two equal-armed balances are shown. The first balance shows $\triangle$ balanced by $\square\square$ . The second balance shows $\triangle\triangle$ balanced by $\bigcirc\bigcirc\bigcirc$ . How many $\bigcirc$ would it take to balance $\square\square\square\square$ ?

(A) $2$ (B) $1$ (C) $4$ (D) $5$ (E) $3$

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