A Rectangular Enclosure Must Have an Area of at Least $0 \mathrm { yd } \leq \text { width } \leq 30 \mathrm { yd }$

Multiple Choice

A rectangular enclosure must have an area of at least 2400yd² . If 220yd of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?

A) $0 \mathrm { yd } \leq \text { width } \leq 30 \mathrm { yd }$
B) $30 \mathrm { yd } \leq \text { width } \leq 80 \mathrm { yd }$
C) $55 \mathrm { yd } \leq \text { width } \leq 80 \mathrm { yd }$
D) $30 \mathrm { yd } \leq \text { width } \leq 55 \mathrm { yd }$