Convert to an improper fraction, multiply, then convert back.<br><br>
&bull; \( 2\frac{1}{4} = \frac{9}{4} \)<br>
&bull; \( \frac{9}{4} \times 3 = \frac{27}{4} \)<br>
&bull; \( \frac{27}{4} = 6\frac{3}{4} \) (since 27 ÷ 4 = 6 remainder 3)<br><br>
Final Answer: A = 6, B = 3, C = 4