Write and solve an equation to answer the question How many people must attend the third show so that the average attendance per show is 30007 Theater Attendance, first show is 2580,second show is 2920.

Respuesta :

(2580 + 2920 + x)/3 = 3007
*3                                    *3

5500 +x = 9021
-5500         -5500
x= 3521 people must attend