Perform the Requested Conversions $0.4$ To an Equivalent Fraction and Percentage $\frac { 3 } { 10 } , 4 \%$

Multiple Choice

Perform the requested conversions. Round decimals to the nearest thousandth and percents to the nearest tenth of a percent, if necessary.
-Convert $0.4$ to an equivalent fraction and percentage.

A) $\frac { 3 } { 10 } , 4 \%$
B) $\frac { 2 } { 5 } , 4 \%$
C) $\frac { 2 } { 5 } , 40 \%$
D) $\frac { 3 } { 10 } , 40 \%$