Stan and Ron's hobby is building birdhouses. The number of wren houses cannot exceed 2 times the number of martin houses. They cannot make more than 60 wren houses or more than 70 martin houses. The total production cannot exceed 90. The profit on a wren house is $9.30 and the profit on a martin house is $5.50. Find the maximum profit.
Hi, here is the solution
Let x and y denote the number of wren houses and martin houses, respectively,
The number of wren houses cannot exceed 2 times the number of martin houses.
So, 2x <= y ( '<=' means ' less than ...
A linear programming problem is solved.