Nool
Fong is planning to put a fence around part of her yard for a dog pen. She wants the
length to be 3 times the width, as shown in the diagram below.
Length = 3x
Width = x
If Fong uses a total of 60 feet of fencing, what will be the length of the pen?
A. 7.5 feet
B. 15 feet
C. 22.5 feet
D. 45 feet