Complete Precalculus Assignment NO PLAGIARISM

timer Asked: Nov 15th, 2017
account_balance_wallet $5

Question Description

Week Two – Application Assignment

Answer the following questions in a Word document and upload the document to the appropriate drop box.

1) You receive two job offers. One offers a straight commission of 6% of sales. The other offers a salary of $500 per week plus 3% of sales. How much would you have to sell per week
in order for the straight commission job offer to be better?

2) Five hundred gallons of 89-octane gasoline is obtained by mixing 87-octane gasoline with 92-octane gasoline. (a) Write a system of equations in which one equation represents the total amount of final mixture required and the other represents the amounts of 87- and 92-octane gasoline in the final mixture. Let x and y represent the numbers of gallons of 87- and 92-octane gasoline, respectively. (b) Use a graphing utility to graph the two equations in part (a) in the same viewing window. As the amount of 87-octane gasoline increases, how does the amount of 92-octane gasoline change? (c) How much of each type of gasoline is required to obtain the 500 gallons of 89-octane gasoline?

3) A total of $32,000 is invested in two municipal bonds that pay 5.75% and 6.25% simple interest. The investor wants an annual interest income of $1900 from the investments. What amount should be invested in the 5.75% bond?

4) A mixture of 5 pounds of fertilizer A, 13 pounds of fertilizer B, and 4 pounds of fertilizer C provides the optimal nutrients for a plant. Commercial brand X contains equal parts of fertilizer B and fertilizer C. Commercial brand Y contains one part of fertilizer A and two parts of fertilizer B. Commercial brand Z contains two parts of fertilizer A, five parts of fertilizer B, and two parts of fertilizer C. How much of each fertilizer brand is needed to obtain the desired mixture?

5) A chemist needs 10 liters of a 25% acid solution. The solution is to be mixed from three solutions whose concentrations are 10%, 20% and 50%. How many liters of each solution will satisfy each condition?

a) Use 2 liters of the 50% solution.

b) Use as little as possible of the 50% solution.

c) Use as much as possible of the 50% solution.

Tutor Answer

School: University of Virginia

Hey buddy,I have completed your answer.I you need any clarification please contact me, you are always welcome.😊

1) Job 1 offer 6% of sales other job $500 and 3% of sales
If we take amount of sales is $x

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Good stuff. Would use again.

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