TASTY bakery bakes two types of cakes-A and B. Cake A requires 20grams of flour, 10 grams of sugar, and 10 grams of butter. Cake B requires 15grams of flour, 20 grams of sugar, and 5 grams of butter.
The bakery only has 200 grams flour, 150 grams sugar, and 120 grams butter. The price of each cake A is $5 and price of each cake B is $4. Under the above circumstances, find out how many cakes of each type TASTY should bake to maximize revenue.
The objective function is
Max 5 X1+4X2
where X1 and X2 are the number of A and B type of cakes baked respectively
Subject to contraints
20X1+15X2<=200
10X1+20X2 <= 150
10X1+5X2 <= 120
and X1, X2 =>0
Sloving by graphical method, we get the points ( 10,0) ( 7,4) and ( 0, 7.5)
Putting in the objective function, we get
Value at (10,0) =5x10 +0 =50
Value at (7,4) = 7x5 + 4x4 =51
Value at ( 0, 7.5) = 0+4x7.5 =30
As the value of the objective function is highest at ( 7,4) producing 7 units of cake A and 4 units of B willyield best profit.
Graph
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