The Wellbuilt Company produces two types of wood chippers, economy and deluxe. The deluxe model requires 3 hours to assemble and 1/2 hour to paint, and the economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours available is 18 per day, and the maximum number of painting hours available is 7 per day.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The Wellbuilt Company produces two types of wood chippers, economy and deluxe. The deluxe model requires 3 hours to assemble and 1/2 hour to paint, and the economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours available is 18 per day, and the maximum number of painting hours available is 7 per day.

(a) Write the system of inequalities that describes the constraints on the number of each type of wood chipper produced. (Let x represent the number of deluxe models, and let y represent the number of economy models.)
 
 
3x+2y≤18
 
 
 
     assembly time constraint
x+2y≤14
 
 
 
  painting time constraint
x ≥ 0   production constraint, deluxe
y ≥ 0   production constraint, economy


(b) Graph the solution of the system of inequalities.
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Find the corners of the solution region. (Order your answers from smallest to largest x, then from smallest to largest y.)
(x, y)  = 
 
 
2,6
 
 
  
 
(x, y)  = 
 
 
6,14
 
 
  
 
(x, y)  = 
 
 
6,9
 
 
  
 
(x, y)  = 
 
 
 
 
 
 
 
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