Solve the problem.A person with no more than $7000 to invest plans to place the money in two investments, telecommunications and pharmaceuticals. The telecommunications investment is to be no more than 4 times the pharmaceuticals investment. Write a system of inequalities to describe the situation. Let 
to be invested in telecommunications and 
to be invested in pharmaceuticals.
A. 
B. 
C. 
D. 
Answer: C
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Use the two steps for solving a linear programming problem to solve the problem.A candy company has 115 pounds of cashews and 145 pounds of peanuts which can be combined into two different mixes. The deluxe mix is half cashews and half peanuts and sells for $8 per pound. The economy mix is one-third cashews and two-thirds peanuts and sells for $5.40 per pound. How many pounds of each mix should be prepared for maximum revenue?
A. 115 pounds of deluxe mix and 0 pounds of economy mix B. 85 pounds of deluxe mix and 30 pounds of economy mix C. 170 pounds of deluxe mix and 90 pounds of economy mix D. 255 pounds of deluxe mix and 60 pounds of economy mix
Solve the problem. Round to the nearest cent.What is the marked price if a total cost is $339.53 and the sales tax rate is 4.25%?
A. $325.69 B. $328.84 C. $238.27 D. $322.59
Solve the application problem. Round to the nearest cent.
Find the least amount that could be deposited in a bank account today at 8% compounded semiannually to allow $1875 withdrawals at the end of each 6 months for 11 years?
A. $27,856.58 B. $27,095.85 C. $26,304.68 D. $66,654.15
Write the decimal as a percent.0.7
A. 700% B. 70% C. 0.07% D. 0.7%