Answer:
2X + 5Y = 300 (1)
X + Y = 120 (2)
DE 1 despejas x
X+Y = 120
X = 120 - Y (3)
Reemplazas en (1)
2X + 5Y = 300
2(120-Y) + 5Y = 300
240 - 2Y + 5Y = 300
3Y = 300- 240
3Y = 60
Y = 60/3
Y = 20
Reemplazas en (3)
X = 120 - Y
X = 120 - 20
X = 100
¿cuantas botellas de cada clase se han utilizado?
R. 100 botellas de 2 litros y 20 botellas de 5 litros
Hola buenas tarde mrs maria
for as long as jaime can remember his mother has always loved to sing "la bamba " jaime asks her to write down the following lyrics so that he can memorize them, according to these lyrics what is 'la bamba'?
a dance
Because she wrote about important information like about womens rights and she was one of the first American-Hispanic (something like that) writer and was a minister in a college . She and her family were from spain.