Question 1 A factory manufactures two (2) types of chairs, wooden-typed and stainless steel-typed. Each unit of these chairs undergoes three (3) processes, namely production, assembling, and finishing. The production process is performed in Production Department, the assembling process in Assembling Department, and finishing process in Finishing Department. The time taken for each unit of the product in each department and the profit per unit of chair are shown in the table below. Time (min) required per unit of the product Department Wooden Stainless steel Production 3 Assembling 1 Finishing 1 Profit per unit (RM) 4 5 The Production, Finishing, and Assembling Departments will operate for 16 hours, 12 hours, and 8 hours in a day, respectively. a) By using x to represent the quantity of wooden chairs and y to represent the quantity of stainless-steel chairs, formulate the linear programming problem above into a mathematical model. b) Using 2cm =80 units on x-axis and 2cm = 80 units on y-axis, by the graphical method, find the number of wooden and stainless-steel chairs that have to be produced in order for the manufacturer to obtain the maximum profit.

Linear Algebra: A Modern Introduction
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ISBN:9781285463247
Author:David Poole
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Chapter2: Systems Of Linear Equations
Section2.4: Applications
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Question 1
A factory manufactures two (2) types of chairs, wooden-typed and stainless steel-typed. Each
unit of these chairs undergoes three (3) processes, namely production, assembling, and
finishing. The production process is performed in Production Department, the assembling
process in Assembling Department, and finishing process in Finishing Department. The time
taken for each unit of the product in each department and the profit per unit of chair are
shown in the table below.
Time (min) required per unit of the product
Department
Wooden
Stainless steel
Production
2
3
Assembling
2
1
Finishing
1
1
Profit per unit (RM)
4
5
The Production, Finishing, and Assembling Departments will operate for 16 hours, 12 hours,
and 8 hours in a day, respectively.
a) By using x to represent the quantity of wooden chairs and y to represent the quantity
of stainless-steel chairs, formulate the linear programming problem above into a
mathematical model.
b) Using 2cm = 80 units on x-axis and 2cm = 80 units on y-axis, by the graphical
method, find the number of wooden and stainless-steel chairs that have to be
produced in order for the manufacturer to obtain the maximum profit.
Transcribed Image Text:Question 1 A factory manufactures two (2) types of chairs, wooden-typed and stainless steel-typed. Each unit of these chairs undergoes three (3) processes, namely production, assembling, and finishing. The production process is performed in Production Department, the assembling process in Assembling Department, and finishing process in Finishing Department. The time taken for each unit of the product in each department and the profit per unit of chair are shown in the table below. Time (min) required per unit of the product Department Wooden Stainless steel Production 2 3 Assembling 2 1 Finishing 1 1 Profit per unit (RM) 4 5 The Production, Finishing, and Assembling Departments will operate for 16 hours, 12 hours, and 8 hours in a day, respectively. a) By using x to represent the quantity of wooden chairs and y to represent the quantity of stainless-steel chairs, formulate the linear programming problem above into a mathematical model. b) Using 2cm = 80 units on x-axis and 2cm = 80 units on y-axis, by the graphical method, find the number of wooden and stainless-steel chairs that have to be produced in order for the manufacturer to obtain the maximum profit.
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