Solve the problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400 and the average monthly salary of an aide is $1100. The camp can accommodate up to 45 staff members and needs at least 30 to run properly. They must have at least 10 aides, and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 12 counselors and 18 aides
B. 27 counselors and 18 aides
C. 18 counselors and 12 aides
D. 35 counselors and 10 aides
Answer: A
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Use divisibility tests to decide whether the first number is divisible by the second. 648,542; 9
A. Yes B. No
Solve the following problem:
47 ð 103 ð 24 ð 102 ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ 47 ð 103 + 24 ð 102
What is the median for the following resistor values?
33 K, 31.5 K, 32 K, 39 K, 38 K, 35 K, 37 K, 39 K, 43.1 K
Solve the problem.A dietitian needs to purchase food for patients. She can purchase an ounce of chicken for 
and an ounce of potatoes for
Let 
number of ounces of chicken and 
number of ounces of potatoes purchased per patient. Write the objective function that describes the total cost per patient per meal.
A. z = 25x + 2y B. z = 2y + 25y C. z = 0.25x + 0.02y D. z = 0.02x + 0.25y