Read the distances from the figure. Subtract the distance to the school from the distance to the library to find how much further the library is.<br><br>
&bull; From the figure: distance from Pauline's home to the library and to the school are shown.<br>
&bull; Difference = Library distance &minus; School distance<br>
&bull; Difference = \( 2\frac{1}{20} \) km<br><br>
Final Answer: B: \( 2\frac{1}{20} \) km