Simplify the fraction first, then convert to decimal.<br><br>&bull; 4 ÷ 20 = \(\frac{4}{20}\)<br>&bull; \(\frac{4}{20} = \frac{4 \div 4}{20 \div 4} = \frac{1}{5}\)<br>&bull; \(\frac{1}{5} = 0.2\)<br><br>Final Answer: B: 0.2