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Lunna [17]
1 year ago
10

a manufacturer makes two types of rubber, butadiene and polyisoprene. the plant has two machines, machine-1 and machine-2, which

are used to make the rubber strips. manufacturing one strip of butadiene requires 2.75 hours on machine-1 and 3 hours on machine-2. processing one strip of polyisoprene takes 3.5 hours on machine-1 and 4 hours on machine-2. machine-1 is available 180 hours per month, and machine-2 is available 200 hours per month. formulate an all-integer mathematical model that will determine how many units of each type of rubber should be produced to maximize profits if the profit contributions of butadiene and polyisoprene are $20 and $26, respectively.
Business
1 answer:
nignag [31]1 year ago
4 0

The all-integer model that determines how many units of each type of rubber should be produced to maximize profits is given by:

  • Maximize: P(x,y) = 20x + 26y.
  • Constraint 1: 2.75x + 3.5y ≤ 180.
  • Constraint 2: 3x + 4y ≤ 200.
  • Constraint 3: x ≥ 0, y ≥ 0.

<h3>How to maximize profit?</h3>

The profit is maximized using linear programming, for a system of equalities/inequalities, in which the variables are given as follows:

  • Variable x: number of units of butadiene produced.
  • Variable y: number of units of polyisoprene produced.

The profit contributions of butadiene and polyisoprene are $20 and $26, hence the profit function is defined as follows:

P(x,y) = 20x + 26y.

The number of units is a countable amount, hence the values of x and y should be positive, and the constraint is of:

x ≥ 0, y ≥ 0.

Machine-1 is available 180 hours per month, hence the constraint relative to machine-1, considering the time needed for each unit, is of:

2.75x + 3.5y ≤ 180.

Machine-2 is available 200 hours per month, hence the constraint relative to machine-2, considering the time needed for each unit, is of:

3x + 4y ≤ 200.

More can be learned about linear programming at brainly.com/question/14309521

#SPJ1

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Savanna Company is considering two capital investment proposals. Relevant data on each project are as follows: Project Red Proje
liberstina [14]

Answer:

(a) Cash payback period:

     Project Red = 5.5 years

     Project blue  = 4.6 years

(b) Net present value for project Red = $19,760

     Net present value for project Blue =$164,580

(c) Annual rate of return:

Project Red =11.36%

Project Blue  =18.75%

(d) Project Blue

Explanation:

Given Data;  

Project Blue Capital investment = $640,000

Project Red Capital investment = $440,000

Project Red  Annual Net income = $ 25,000.

Project Blue Annual Net income = $ 60,000

Annual depreciation Project Red = (440000/8)

                                                       = 55,000

Annual depreciation Project Blue = (640000/8)

                                                       =  80,000

Annual cash inflow project A = $ 80,000

Annual cash inflow project B = $140,000

(a)

Cash payback period = Initial investment/cash flow per period

Project Red = 440000 /80000

                   = 5.5 years

Project blue = 640000/ 140000

                    = 4.6 years

(b)

Project Red  Present value of cash inflows = 80000 ×5.747

                                                                       = $459,760

Project Blue Present value of cash inflows  =140000×5.747

                                                                        = 804580

Net present value for project Red = $459,760 - $440,000

                                                        = $19,760

Net present value for project Blue = 804580 - $640,000  

                                                         =$164,580

(c) Annual rate of return:

Project Red   = $25,000 / ($440000)/2

                       =11.36%

Project Blue =  $60000/(640000/2)

                    =18.75%

(d) Savanna should select Project Blue because it has a higher positive NPV and a higher annual rate of return. AND Project Blue has early cash back period also

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3 years ago
Question 4 of 20
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The percentage of 250000 to 180000 is 72% or answer D
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1 year ago
The consumer price index is __
Yanka [14]

Answer:

The consumer price index is a systematic calculation used to estimate price increases in a basket of goods and services that are indicative of consumption expenditure in the economy.

Explanation:

The Consumer Price Index refers to a metric used to determine the weighted average price of a set of consumer goods and services, such as food, transportation, and healthcare.  CPI is accountable for monitoring the change in retail prices of fundamental and everyday goods and services purchased by households across the world. Changes in the CPI are required to measure increases in the price of living. The CPI is one of the most commonly used indicators for the detection of inflation or deflation cycles.

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3 years ago
Ex-post (in an accounting sense), Savings __________ equals Investment. However, ex-ante, __________ desired savings may very we
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Ex-post (in an accounting sense), Savings ALWAYS equals Investment. However, ex-ante, DESIRED savings may very well be different from  DESIRED  investment. It is the REAL INTEREST RATE which adjusts to make desired savings equal to desired investment.

Explanation:

  • In the basic, closed economy model, Savings=Investment. The reason for this is because, in this model, growing capital stock is not the only item taken into account in Investment. The other item is inventory accumulation.
  • Savings is whatever is left over after income is spent on consumption of goods and services, investment is what is spent on goods and services that are not 'consumed', but are durable.
  • Equilibrium in the goods market can be expressed in two equivalent ways: (1) desired national saving is equal to desired investment; AS = AD.
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2 years ago
How much water needs to be mixed with three liters of
irinina [24]

Answer:

The volume of water needed=0.86 liters

Explanation:

Step 1: Form an equation

The equation can be expressed as follows;

(Ac×Va)+(Wc+Vw)=Fc(Va+Vw)

where;

Ac=initial concentration of antifreeze

Va=volume of antifreeze in liters

Wc=concentration of water

Vw=volume of the water in liters

Fc=final concentration of the antifreeze

This expression can be written as;

(concentration of antifreeze×volume of antifreeze in liters)+(concentration of water×volume of the water)=final concentration of the antifreeze(volume of antifreeze in liters+volume of the water in liters)

In our case;

Ac=45%=45/100=0.45

Va=3 liters

Wc=0

Vw=unknown

Fc=35%=35/100=0.35

Replacing;

(0.45×3)+(0×Vw)=0.35(3+Vw)

1.35=1.05+0.35 Vw

0.35 Vw=1.35-1.05

0.35 Vw=0.30

Vw=0.3/0.35=0.86

Vw=0.86 liters

The volume of water needed=0.86 liters

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3 years ago
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