Cost of Fencing Consider the corral of Exercise. If the fencing for the boundary of the co...

Cost of Fencing Consider the corral of Exercise. If the fencing for the boundary of the corral costs $10 per foot and the fencing for the inner partitions costs $8 per foot, write an expression for the total cost of the fencing.

Exercise

Fencing a Rectangular Corral Consider a rectangular corral with two partitions, as in Fig. 1. Assign letters to the outside dimensions of the corral. Write an equation expressing the fact that the corral has a total area of 2500 square feet. Write an expression for the amount of fencing needed to construct the corral (including both partitions).

Figure 1