On Friday, 360 more men than women attended a concert. On Saturday, the number of men decreased by 20% and the number of women increased by 70%. 1488 audience attended the concert on Saturday. If each ticket cost $9, how much money was collected from the sale of concert tickets to all the women?

	Men		Women
Comparing between the men and the women at first	360 more
Before	5x2	+ 360	10x1
Change	- 1x2	- 72	+ 7x1
After	4x2	+ 288	17x1

	Men		Women
Before	10 u + 360		10 u
Change	- 2 u - 72		+ 7 u
After	8 u + 288		17 u

20% = ²⁰₁₀₀ = ¹₅

70% = ⁷⁰₁₀₀ = ⁷₁₀

20% x 360
= ²⁰₁₀₀ x 360
= 72

360 - 72 = 288

Total number of tickets sold on Saturday 
= 8 u + 288 + 17 u
= 25 u + 288 

25 u + 288 = 1488
25 u = 1488 - 288
25 u = 1200

1 u = 1200 ÷ 25 = 48

Total number of tickets sold to all the women
= 10 u + 17 u
= 27 u 
= 27 x 48
= 1296

Amount collected from the sale of concert tickets to all the women
= 1296 x 9
= $11664

Answer(s): $11664