A farmer can buy two types of plant food, mix A and mix B. Each cubic yard of mix A contains 20 pounds of phosphoric acid, 30 pounds of nitrogen, and 5 pounds ofpotash Each cubic yard of mix B contains 10 pounds of phosphoric acid, 30 pounds of nitrogen, and 10 pounds of potash. The minimum monthly requirements are420 pounds of phosphoric acid, 990 pounds of nitrogen, and 210 pounds of potash. If mix A costs $25 per cubic yard and mix B costs $35 per cubic yard, how manycubic yards of each mix should the farmer blend to meet the minimum monthly requirements at a minimum cost? What is this cost?CODIf mix A costs $25 per cubic yard and mix B costs $35 per cubic yard, the farmer should blondyd" of mix A and yd" of mix B to meet the minimum monthlyrequirements at a minimum cost.The cost is $840

In an LPP problem, we need to find the optimal value either be the maximum or minimum value of a…

Answered: A farmer can buy two types of plant…

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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At inventory time, 435 pounds of magnet wire for winding motors is available. In ten successive days, 15 pounds, 6 pounds, 24 pounds, 12 pounds, 3 pounds, 8 pounds, 17 pounds, 32 pounds, 16 pounds, and 13 pounds of wire are taken out of stock. How many pounds are left?
For a given week, Debra's Coffee House has available 1728 ounces of A grade coffee and 1760 ounces of B grade coffee. These are blended into 1-pound packages as follows: an economy blend that contains 2 ounces of A grade coffee and 10 ounces of B grade coffee, and a superior blend that contains 9 ounces of A grade coffee and 2 ounces of B grade coffee. (The remainder of each blend is made of filler ingredients.) There is a $3 profit on each economy blend package sold and a $4 profit on each superior blend package sold. Assuming that the coffee house is able to sell as many blends as it makes, how many packages of each blend should it make to maximize its profit for the week?
A goal is to get at least 10% of daily calories from polyunsaturated fats as are found in various nuts, oils, and fish. One serving of walnuts (about 15 pieces) has about 20 g of polyunsaturated fat. Each fat gram has 9 calories. About what percent of daily calories does one serving of walnuts provide, assuming a 2,000-calorie diet?
Mr. Chan mixes three brands of tea leaves to produce a 1 kg packet of tea leaves. Brand A tea is 50 g less than brand B tea and brand C tea is 300 g more than brand B tea. If the cost of brand A, brand B and brand C tea are $50/kg, $60/kg and $80/kg respectively, at what cost should the packet of mixture be? $69.5/kg $70/kg $68.5/kg $69/kg
Ricardo has 25 acres of tobacco. He strip-tilled a 14-inch row. He applied 6.5 fluid ounces per acre of herbicide A, and 2 pints per acre of herbicide B for weed control. He applied 280-240-275 units of fertilizer per acre. He used 46-0-0 urea at $408.15 per ton, 18-46-0 DAP at $497.35 per ton, and 0-0-50 sulfate of potash at $648.10 per ton. He planted the tobacco 18 inches apart in rows 36 inches apart. a. What width strip of land was no-till? b. How many pints of herbicide A were applied? c. How many gallons of herbicide B were applied? d. How many pounds per acre of bulk fertilizer were used? e. What did the fertilizer cost?
Cholesterol intake should be limited to 300 milligrams or less each day. Two McDonald's Quarter Pounders and three Burger King Whoppers with cheese contain 520 milligrams of cholesterol. Three Quarter Pounders and one Whopper with exceed the suggested daily intake by 53 milligrams. Determine the cholesterol content in each item.
an artist makes three types of ceramic statues( large, medium and small) at monthly cost of $880 for 250 statues. the manufacturing costs for the three types are $5,$4,$3. if the statues sell for $26, $18, and $15, respectively, how many of each type should be made to produce $4,240 in monthly revenue Large ? Medium ? Small ?

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