UKMT Pink Kangaroo, 2025

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

The base of a triangle increases by $50\%$ and its height decreases by one-third. What is the ratio of the area of the new triangle to that of the original triangle?

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

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