Answer:
x = 20
y = 50
Step-by-step explanation:
10x + 2y = 300 | ×2 |
8x + 4y = 360 | ×1 |
20x + 4y = 600
8x + 4y = 360
_____________--
12x = 240
x = 240/12
10x + 2y = 300
10(20) + 2y = 300
200 + 2y = 300
2y = 300 - 200
2y = 100
y = 100/2
