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Tracksaws, Inc Formulation:
Let X = Number of Tractors Produced Per Period

question 52

Short Answer

Tracksaws, Inc. makes tractors and lawn mowers. The firm makes a profit of $30 on each tractor and $30 on each lawn mower, and they sell all they can produce. The time requirements in the machine shop, fabrication, and tractor assembly are given in the table.
 Machine Shop  Fabrication  Assembly  Tractor 2 hours 2 hours 1 hour  Lawn Mower 1 hour 3 hours 0 hour  Hrs. Available 60 hours 120 hours 45 hours \begin{array} { l l l l } & \text { Machine Shop } & \text { Fabrication } & \text { Assembly } \\\hline \text { Tractor } & 2 \text { hours } & 2 \text { hours } & 1 \text { hour } \\\text { Lawn Mower } & 1 \text { hour } & 3 \text { hours } & 0 \text { hour } \\\text { Hrs. Available } & 60 \text { hours } & 120 \text { hours } & 45 \text { hours } \\\hline\end{array} Formulation:
Let x = number of tractors produced per period
y = number of lawn mowers produced per period


 MAX 30x+30y  subject to 2x+y602x+3y120x45\begin{array} { l } \text { MAX 30x+30y } \\\qquad\text { subject to } 2 x + y \quad \leq 60 \\\qquad 2 x + 3 y \quad \leq 120 \\\qquad x \leq 45\end{array}

The graphical solution is shown below.
 Tracksaws, Inc. makes tractors and lawn mowers. The firm makes a profit of $30 on each tractor and $30 on each lawn mower, and they sell all they can produce. The time requirements in the machine shop, fabrication, and tractor assembly are given in the table.   \begin{array} { l l l l }  & \text { Machine Shop } & \text { Fabrication } & \text { Assembly } \\ \hline \text { Tractor } & 2 \text { hours } & 2 \text { hours } & 1 \text { hour } \\ \text { Lawn Mower } & 1 \text { hour } & 3 \text { hours } & 0 \text { hour } \\ \text { Hrs. Available } & 60 \text { hours } & 120 \text { hours } & 45 \text { hours } \\ \hline \end{array}  Formulation: Let x = number of tractors produced per period y = number of lawn mowers produced per period    \begin{array} { l }  \text { MAX 30x+30y } \\ \qquad\text { subject to } 2 x + y \quad \leq 60 \\ \qquad 2 x + 3 y \quad \leq 120 \\ \qquad x \leq 45 \end{array}   The graphical solution is shown below.    -What is the maximum amount a manager would be willing to pay for one additional hour of machining time?
-What is the maximum amount a manager would be willing to pay for one additional hour of machining time?


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