1240- 104x9=304 (yuan)
(2) If there are x people in 1 class and (104-x) people in class 2, we can get:
13x+ 1 1( 104-x)= 1240
13x+ 1 144- 1 1x = 1240
2x= 1240- 1 144
2x=96
x=48
Then class 2 has: 104-48=56.
Testimony g m n y ив n refers to having an idea about something or someone and expressing it. I have compiled the following, hoping to help you.
Testimony 1
I a