Respuesta :
Answer:
Lunch costs $8
Step-by-step explanation:
4l + 6d = 122
5l + 8d = 160
Multiply the first equation by 4 and the second by -3:
16l + 24d = 488
-15l - 24d = -480
-------------------------
l = 8
Lunch costs $8
Answer:
Lunch costs $8
Step-by-step explanation:
4l + 6d = 122
5l + 8d = 160
Multiply the first equation by 4 and the second by -3:
16l + 24d = 488
-15l - 24d = -480
-------------------------
l = 8
Lunch costs $8