Respuesta :
(1073 + 1108 + x) / 3 = 1000
(2181 + x) / 3 = 1000
2181 + x = 1000 * 3
2181 + x = 3000
x = 3000 - 2181
x = 819 <=== the restaurant would need to make $ 819
(2181 + x) / 3 = 1000
2181 + x = 1000 * 3
2181 + x = 3000
x = 3000 - 2181
x = 819 <=== the restaurant would need to make $ 819