operations researc question, lecture code is ind

IND331 - OPERATIONAL RESEARCH - Midterm Soru: 4 / Cevap: 0 Soru 1. (20 points) A manufacturer of plastics is planning to blend a new product from four chemical compounds. These compounds are mainly composed of three elements: A, B, and C. The composition and unit cost of these chemicals are shown in the following table: 2 {Please download the question The new product consists of 25 percent element A. at least 35 percent element B, and at least 20 percent element C. Owing to side effects of compounds 1 and 2. they must not exceed 25 percent and 30 percent respectively, of the content of the new product. Formulate the problem of finding the least costly way of blending as a linear program Soru: 2 / Cevap: 0 Sorul 4 Please download the question) (30 pointsi The sky of Gotham has been short on budget due to financement of tow enforcement it against rising criminal activities and vigilanter. For a more determined long tern approach, the city council decided to increase the tax base by condentning a housing res in the city and replacing it with a modern development The projectes two phases demashing substandard houses to open up space for new houses and building the houses. For the project to be realized the following have to be considered As many as 300 substandard houses can be demolished. Each home cupies a 25-acte fot. The cost of demolishing a condemned house is $2000. Lo stes for new single, double triple and quadruple-tarily homes Gunits 1621 A, and are respectively Streets, open space and utility enement account for 15% of available acreage. In the new development the triple and quadrupie units account for at least 25% of the total Single units must be at least 20% of all units and double units at least 105. The tax levied per unit for single double, triple, and quadruple units 51000, S1,900 $2,700, and 53.000, respectively. The construction cost per unit for single double, triple, and quadruple-fonly homes is $50,000 $70.000, $130,000 and $160,000, respectively Financing through a local bank can amount to a maximum of 15 million. Find an LD model to increase the city camings with tones Cena