QuestionOne spring, a group of students measured rainfall totals at their school. This chart shows how many inches of rain the students measured each month. How much rainfall did they receive in April and May combined? \begin{tabular}{|l|l|} \hline MONTH & RAINFALL \\ \hline March & 5.5 \\ \hline April & 15.8 \\ \hline May & 3.5 \\ \hline \hline \end{tabular}