$30 \%$ of 200 equals
(A) 0.06
(B) 0.6
(C) 6
(D) 60
(E) 600
$30 \%$ of 200 equals $\frac{30}{100} \times 200=60$.

Alternatively, we could note that $30 \%$ of 100 is 30 and $200=2 \times 100$, so $30 \%$ of 200 is $30 \times 2$ which equals 60 .

ANSWER: (D)