18.6.10An advertising company oner three types of meaiums. televisIon, newspaper and radio . The costfor each medium with its audience coverage is given below.TelevisionNewspaper RadioCost per advertisement ($)17001000500Audience per advertisement123,00036,00013,000The company is capable of using a number of newspaper advertisement slots up to 13. Moreover,in order to balance the advertising among the three types of media, the total number ofadvertisements on radio should not occur more than 46% of total number of advertisement. andat least 18% of the total number of advertisements should occur on television. The weeklyadvertising budget is $22200. How many advertisements should be run in each of the three typesof media to maximize the total audience?If we assume the number of ads on each type of meduim as follows : T, N, R respectivelyGiven the following objective function:Max: Z = aT - bN - cRWhat is the value of C?Remember: The answer box can not accept any textSave AlClick Save and Submit to save and suubmit. Click Saue All Answers to save all answers.74°F Sunny

Given:The radio constraint is that atmost 46% of the total number of advertisement should be on…

Answered: An advertising company offer three…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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erth Mining Company operates two mines for the purpose of extracting gold and silver. The Saddle Mine costs $15,000/day to operate, and it yields 65 oz of gold and 2900 oz of silver each day. The Horseshoe Mine costs $15,500/day to operate, and it yields 70 oz of gold and 1300 oz of silver each day. Company management has set a target of at least 540 oz of gold and 16,800 oz of silver. How many days should each mine be operated so that the target can be met at a minimum cost? Saddle- Days Horseshoe- Days Minimum Cost-
Ate Guy sells a particular model of fans, with most of the sales being made in the summer months. Ate Guy makes a one-time purchase of the fans prior to each summer season at a cost of P40 each and sells each fan for P60. Any fans unsold at the end of the summer season are marked down to P29 and sold in a special rainy season sale. Virtually all marked-down fans are sold. The following is the number of sales of fans during the past summers: 30, 50, 30, 60, 10, 40, 30, 30, 20, 40. (a) Estimate the mean and variance of the demand for fans each summer. (b) Assume that the demand for fans each summer follows a normal distribution, with mean and variance given by what you obtained in (a). Determine the optimal number of fans for Ate Guy to buy prior to each summer season.
Rey is choosing a profession in engineering. He is choosing between civil, chemical and mechanical engineering. He searched about the annual income of each engineering profession and wants to consider this when choosing. An Civil Engineer earns an average of 196,000 per year with a tax rate of 25%, a Chemical Engineer earns an average of 221,000 a year with a tax rate of 25%, and lastly, Mechanical Engineer earns an average of 587,000 a year with a tax rate of 32%, which among this profession should he choose if he will consider the net income?
A company makes three components for sale. The components are processed on two machines: a shaper and a grinder. The time required. (in minutes) on each machine are as follows: Component Shaper Time Grinder Time A 6 4 B 4 5 C 4 2 The shaper is available for 7200 min. and grinder for 6600 min. No more than 200 units of component C can be sold, but up to 1000 units of each of the other components can be sold. In fact the company has orders for 600 units of component A that must be satisfied. The profit contributions for components A, B and C are $8, $6 and $9 respectively. Formulate the problem for deciding the production quantities. Solve the problem using Excel Solver. Run the sensitivity analysis report in Excel Solver. What are the objective coefficient ranges (Range of Optimality) for each coefficient. Interpret these. What are the dual prices for each constraint? Interpret these. What are the right-hand side ranges (Range of Feasibility)? Interpret them. If more time is…
A researcher believed that the number of rental cars in service by a car rental company would have an impact on the total annual revenue for that car rental company. Five small car rental companies were surveyed, with the number of Cars in service recorded in units of 1000 (so if a car rental company had 54000 cars in service, a 54 would be recorded) and Annual Revenue measured in millions of dollars (so an Annual Revenue of $10,000,000 would be recorded as 10). The data follows: Cars (1,000s) Annual Revenue ($ millions)11.5 118 10.0 135 9.0 100 5.5 37 3.3 32 Part of the Excel-generated Simple Linear Regression output is provided below: ANOVA df SS MS F Significance F Regression 1 7891.863897 7891.863897 22.91180151 0.017339231 Residual 3 1033.336103 344.4453677 Total 4 8925.2 Coefficients Standard Error t Stat P-value Intercept -19.12490108 23.1658578…
A mining company owns two mines. These mines produce an ore that can be graded into two classes: regular grade and low grade. The company must produce at least 420 tons of regular - grade and 520 tons of low-grade ore per week. The first mine produces 6 tons of regular - grade and 18 tons of low-grade ore per hour. The second mine produces 18 tons of regular - grade and 9 tons of low-grade ore per hour. The operating cost of the first mine is $7000 per hour, and the operating cost of the second mine is $ 22,000 per hour. The first mine can be operated no more than 37 hours a week, and the second mine can be operated no more than 28 hours a week. How many hours per week should each mine be operated to minimize the cost?

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