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MrRissso [65]
3 years ago
8

En la granja se han envasado 300 L de leche en 120

Spanish
1 answer:
Elza [17]3 years ago
5 0

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

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