A decimal ddd satisfies: 1d=2.5‾\frac{1}{d} = 2.\overline{5}d1=2.5. What is ddd in decimal form?
0.3‾0.\overline{3}0.3
0.40.40.4
923\frac{9}{23}239
0.384‾0.38\overline{4}0.384