Write as a percent.
A. 40%
B. 4%
C. 0.4%
D. 0.04%
Answer: B
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Let x represent one number and let y represent the other number. Use the given conditions to write a system of equations. Solve the system and find the numbers.The sum of seven times a first number and six times a second number is 33. If the second number is subtracted from three times the first number, the result is 7. Find the numbers.
A. 5 and 1 B. 21 and 12 C. 14 and 6 D. 3 and 2
Add.40 + 800 + 90
A. 93 B. 830 C. 174 D. 930
Solve the problem.A manufacturer of DVD players has monthly fixed costs of $5500 and variable costs of $50 per DVD player and it sells the DVD players for $150 per unit. Write the function that models the profit P from the production and sale of x DVD players in a month.
A. P = 100x - 5500 B. P = 5500x - 100 C. P = 100x + 5500 D. P = 200x - 5500
Add or subtract. Simplify the answer.
- 
A. 
B. 
C. 
D. 