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

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.