Translate the sentence into an equation and solve it.Twenty-seven less than eight times a number is equal to five. Find the number.
A. 27 + 8n = 5, n = -4
B. 8n + 27 = -5, n = -4
C. 8n - 27 = 5, n = 4
D. 27 - 8n = 5, n = 3
Answer: C
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Solve using the addition and multiplication principles together.3(y + 7) = 4(y - 6)
A. -45 B. 3 C. 45 D. -3
Simplify the expression.
A. 625
B. 5
C. 
D. not a real number
Solve the problem.During one year, the Cheung's real estate bill included $333 for county services. Of this amount, $125 went to the highway department. What percent did the county highway department receive? Round your answer to two decimal places.
A. 37.24% B. 37.54% C. 62.46% D. 20.80%
Solve the problem.A steel company produces two types of machine dies, part A and part B and is bound by the following constraints:? Part A requires 1 hour of casting time and 10 hours of firing time. ? Part B requires 4 hours of casting time and 3 hours of firing time.? The maximum number of hours per week available for casting and firing are 100 and 70, respectively.? The cost to the company is $0.75 per part A and $3.00 per part B. Total weekly costs cannot exceed $45.00.Let x = the number of part A produced in a week and 
number of part B produced in a week. Write a system of three inequalities that describes these constraints.
A. 
B. 
C. 
D. 