A church group is planning a dance in the school auditorium to raise money for its school. The band they will hire charges $520 the advertising costs are estimated at $160 and food will be supplied at the rate of $5 per person. The church group would like to clear at least $880 after expenses.

Round your answers to the nearest integer.

(a) Determine how many people need to attend the dance for the group to break even if tickets are sold at $13 each. ______?______

(b) Determine how many people need to attend in order to achieve the desired profit if tickets are sold for $13 each. ____?________

(c) Answer the above two questions if the tickets are sold for $15 each.

______?_____ people need to attend the dance for the group to break even.

_______?_____ people need to attend in order to achieve the desired profit.