CBSE Class 12-science Answered
pls explain asap.......
Asked by | 24 Dec, 2009, 11:30: PM
Expert Answer
Let x, y be the number of packets of plain biscuits and chocolate biscuits repectively.
Anyway she wants to buy 3 plain and 4 chocolate biscuits, costing 54 rupees, so we have to maximize for the remaining amount.
Maximize Z = x + y
subject to
6x + 9y ≤ 18, i.e. y ≤ -2x/3 + 2
x≥0,
y≥0,
Plotting these we find the feasible region is just a triangle, with vertices, (0,0), (0,2), (3,0)
So (3,0) is the optimum point.
Total number of packets = 3+3 + 4 = 10.
Regards,
Team,
TopperLearning.
Answered by | 25 Dec, 2009, 03:24: PM
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