Question: 1) A landscape architect wished to enclose a rectangular garden on one side by a brick wall costing $(60)/(f)t and on the other three sides

1) A landscape architect wished to enclose a rectangular garden on one side by a brick wall costing $(60)/(f)t and on the other three sides by a metal fence costing $(50)/(f)t. If the area of the garden is 168 square feet, find the dimensions of the garden that minimize the cost.

2) A poster is to have a total area of 125 square inches. The printed material is to be surrounded by a margin of 6 inches on top and margins of 4 inches on the sides and the bottom. Find the dimensions of the poster that will maximize the area of the printed material.

3). a landscape architect wishes to enclose a rectangular garden on one side by a brick wall costing $60 per foot and on the other three sides by a metal fence costing $50 per foot.If the area of the garden is 168 sqaure feet

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