To Give 1 Grain of Digitalis From $1 \frac { 1 } { 2 }$

Multiple Choice

To give 1 grain of digitalis from $1 \frac { 1 } { 2 }$ grain tablets, how many tablets should be given?

A) $\frac { 1 } { 6 }$ tablets
B) $\frac { 2 } { 3 }$ tablets
C) $\frac { 1 } { 8 }$ tablets
D) $\frac { 1 } { 3 }$ tablets
E) $\frac { 3 } { 2 }$ tablets