Solve the linear programming 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. 18 counselors and 12 aides
B. 27 counselors and 18 aides
C. 35 counselors and 10 aides
D. 12 counselors and 18 aides
Answer: D
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Solve the problem.The diagram below shows a rope connecting the top of a pole to the ground. How tall is the pole? Round your answer to one decimal place.
A. 17.3 yd B. 150.5 yd C. 2.6 yd D. 30.8 yd
Choose the absolute value equation or inequality which matches the graph.
A. | x| ? 4 B. | x| ? 4 C. | x| = 4 D. | x| < 4 E. | x| > 4
Solve the problem. Round money to the nearest cent, if necessary, rates to the nearest whole percent, and time to the nearest month.If the principal of a loan is $15,400, the rate of interest is 16%, and the time of the loan is 5 years, what is the total amount of the loan?
A. $12,320 B. $20,212.50 C. $15,892.80 D. $27,720
Subtract the fractions. Write the answer in lowest terms.
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A. 
B. 
C. 
D. 