Solve the problem.Punky went to dinner. Her bill was $15.84, and she left a 15% tip. How much was the tip, rounded to the nearest dollar?
A. $18
B. $5
C. $2
D. $32
Answer: C
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
Follow the order of operations to work the problem.
- 
+ 
A. - 
B. - 1
C. 2
D. 4
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. 27 counselors and 18 aides B. 35 counselors and 10 aides C. 18 counselors and 12 aides D. 12 counselors and 18 aides
Use an analytic method to solve the equation.
- 
= 3
A. {-2} B. {3, 8} C. {2, 38} D. {2}