Respuesta :

zxw01
1,240 + 1,620 + 1,460 = 4,320
4,320 ÷ 3 (months) = 1,440
So, her average pay per month was $1,440.
Average = Sum for the 3 months / 3

                 =  (1240 + 1620 + 1460) / 3

                 = 4320/3

                 = 1440

Average monthly salary = 1440 

Hope this clarifies it.