Multiple Choice
Solve the problem.
-The number of cows that can graze on a ranch is approximated by C(x,y) = 9x + 5y - 4, where x is the number of acres of grass and y the number of acres of alfalfa. If the ranch has 30 acres of alfalfa and 25 acres of grass, how
Many cows may graze?
A) 395 cows
B) 371 cows
C) 375 cows
D) 391 cows
Correct Answer:
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