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vova2212 [387]
3 years ago
11

Michael breeds chickens and ducks.

Mathematics
2 answers:
sammy [17]3 years ago
7 0

Answer:

chicken cost 8 and ducks 5

Step-by-step explanation:

hodyreva [135]3 years ago
4 0
Let c=cost of chicken and d=cost of duck; 50c+30d=550 and 44c+36d=532.
So 5c+3d=55, 11c+9d=133.
Therefore 15c+9d=165, subtracting 11c+9d=133 we get: 4c=32 so c=8.
5c+3d=40+3d=55, so 3d=15 and d=5.
Cost of chicken is $8 and cost of duck is $5.
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