A faraway planet is populated by creatures called Mizigs. All Migigs are: either black-footed or red-footed and eather one headed or two-headed:
Ragon, whotives on this planet, does a survey and finds that her colony of 650 contains 120 black-footed, one-headed Mizjigs; 200 red-footed, twoheaded Mizjigs and 300 one-headed Mizjigs.
\begin{tabular}{|l|l|l|l|}
\hline & One-headed & Two-heeded & Total \\
\hline Black-footed & 120 & & \\
\hline Red-footed & & 200 & \\
\hline Total & 300 & & 650 \\
\hline
\end{tabular}
How many black-footed Mizigs are there in Ragon's colony?
A. 270
B. 180
C. 150
D. 350