Solve.If y varies directly as x, and y = 800 when x = 125, find y when x = 50.
A. 2000
B. 
C. 
D. 320
Answer: D
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Solve the problem.Find the value of x so that the U-shaped region is a gnomon to the white rectangle.
A. 
B. 
C. 
D. 
E. none of these
Solve the problem.
Henry Daniels earns $2709 biweekly. He is single and claims 7 withholding allowances. He saves 2% of his salary for retirement and pays $24.50 in nonexempt insurance premiums each pay period. Social security tax is 6.2% and Medicare tax is 1.45%. What are his net earnings for each pay period?
A. $2643.33 B. $2410.07 C. $2202.83 D. $2630.32
Add or subtract as indicated. Simplify the result if possible. If an answer is an improper fraction, write it as a mixed number.
- 
A. 
B. 
C. 
D. 
Solve using a system of three linear equations.A total of 366 people attend a community theatre performance. The admission prices were $6.00 for adults, $5.00 for students, and $3.50 for senior citizens. The ticket sales totaled $1903. At the theatre's next board meeting, the finance manager proposed that for the next play they raise prices to $8.00 for adults, $6.00 for students, and $5.00 for senior citizens. He said that if the exact same number of people attend the next performance, the ticket sales would be $2522. How many adults, students, and senior citizens attended the play?
A. 196 adults, 72 students, 98 senior citizens B. 204 adults, 66 students, 96 senior citizens C. 208 adults, 68 students, 90 senior citizens D. 200 adults, 74 students, 92 senior citizens