\begin{tabular}{|l|}\hline c. 2 times the difference between 49.5 and 37.5 \\ \hline\end{tabular}

To find the answer, we first need to calculate the difference between 49.5 and 37.5. Subtracting these gives us 49.5 - 37.5 = 12. Now, we simply need to multiply this difference by 2. So, 2 times 12 equals 24. Therefore, the final answer is 24! Math can be a fun puzzle, and it’s amazing how such simple operations lead us to solutions. Next time, try visualizing the numbers on a number line for an added layer of understanding! Numbers can often tell interesting stories when you play around with them.