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Sagot :
Answer:
- x ≤ 600
- y ≥ 200
- x +y ≤ 900
- see the attachment for a graph
Step-by-step explanation:
Given 900 tickets for sale and restrictions on the numbers of reserved and general admission seats, you want a system of inequalities that models the possible sales. You also want a graph of the feasible region.
The variables are defined as ...
- x = number of reserved seat tickets
- y = number of general admission tickets
Inequalities
The limits give rise to these inequalities:
x ≤ 600 . . . . . no more than 600 reserved seats can be sold
y ≥ 200 . . . . . at least 200 general admission tickets will be sold
x + y ≤ 900 . . . . at most, 900 tickets can be sold
Graph
These inequalities can be graphed simply by giving them as input to a graphing calculator. The result is attached. The feasible region is that area of the graph where the three solution spaces overlap. Here, it is outlined in black.
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