Question

Tickets for a school play cost $7 and $10 for the adults. The equation 7x+10y=80 represents the number of students(x) and the number of adults(y) who can attend the play for $80. If no students attend, how many adults can see the play for $80?

Answer 1

There could only be 8 because 10 *8 is 80 and that is your maximum number you can have