In a medical mission sponsored by the provincial government of Bukidnon, 150 families are given foods packs and medical supplies. 55 of these families suffered from the effect of both the pandemic and the flooding in their respective communities. And 78 of these families suffered the effect of the COVID-19 pandemic only. How many of these 150 families suffered flooding only? A. 17 B. 30 C. 37 D. 45
