Advance tickets for a school play went on sale. The price of each student ticket was $4 and everyone else paid $5. On the first day, no more than $80 in tickets were sold. Describe and explain the possible values of s, the number of student tickets sold, and e, the number of tickets sold to nonstudents.

Answer:0student  16non-student, 5student  12non-student,  10student  8non-student, 15student  4non-student, 20student  0non-studentStep-by-step explanation:s student tickets, e non student  4s + 5e = 80 s     e0     16        4(0) + 5(16) = 80 5     12        4(5)  + 5(12) = 8010     8        4(10)  + 5(8) = 8015     4        4(15)  + 5(4) = 8020    0        4(20) + 5(0) = 80