***WILL GIVE MEDAL AND BECOME A FAN***
A farmer is planning a rectangular area for her chickens. The area of the rectangle will be 800 feet. Three sides of the rectangle will be formed by fencing, which costs $5 per foot. The fourth side of the rectangle will be formed by a portion of the barn wall, which requires no fencing. In order to minimze the cost of the fencing, how long should the fourth side be?

A.40ft
B.20ft
C.16ft
D.50ft

Question

***WILL GIVE MEDAL AND BECOME A FAN***
A farmer is planning a rectangular area for her chickens. The area of the rectangle will be 800 feet. Three sides of the rectangle will be formed by fencing, which costs $5 per foot. The fourth side of the rectangle will be formed by a portion of the barn wall, which requires no fencing. In order to minimze the cost of the fencing, how long should the fourth side be?

A.40ft
B.20ft
C.16ft
D.50ft

anonymous · Answer

for the lowest cost, wouldnt the answer logically be the lowest feet or C?
Or am I completely missing something altogether?

anonymous · Answer

Thats what I was assuming aswell

anonymous · Answer

It doesnt say any restrictions on how small the fence can be so i would go with C.

anonymous · Answer

Alright thanks

anonymous · Answer

Did c work