Brian has 800ft of fencing to build a pen for his hogs. If he has a river on his property that he can use for
one side of the pen, what is the maximum area of the pen?
Mrs. Savage wants to enclose a rectangular garden. The area of the garden is 800 square feet. The fence
along three sides costs $6 per foot, and the fence along the fourth side, which needs to be reinforced to keep
out her cows, costs $18 per foot. Find the length of the reinforced fence that will minimize Mrs. Savage's
cost of enclosing the garden.
24. Brian has 800 ft of fencing to build a pen for his hogs. If he has a river on his property that he can use for one side of the pen, what is the maximum area of the pen?
25. Mrs. Savage wants to enclose a rectangular garden. The area of the garden is 800 square feet. The fence along three sides costs $6 per foot, and the fence along the fourth side, which needs to be reinforced to keep out her cows, costs $18 per foot. Find the length of the reinforced fence that will minimize Mrs. Savage's cost of enclosing the garden.