Mai made 50 flyers for five volunteers in her club to hang up around school. She gave 5 flyers to the first volunteer, 18 flyers to the second volunteer, and divided the remaining flyers equally among the three remaining volunteers.

First volunteer: 5 flyers

Second volunteer: 18 flyers
Third to fifth volunteers: (50-5-18)/3=9 flyers each

In total:
First volunteer: 5 flyers
Second volunteer: 18 flyers
Third volunteer: 9 flyers
Fourth volunteer: 9 flyers
Fifth volunteer: 9 flyers

50 flyers in total