What amount of fencing (in feet) is needed?
(b)What is the total cost (in dollars) of the fencing if it costs $1.69 per foot?
![What amount of fencing in feet is needed bWhat is the total cost in dollars of the fencing if it costs 169 per foot class=](https://us-static.z-dn.net/files/d78/105760f8781858e213a689037c95b8b0.png)