Answer:
Hope the picture will help you....
C. 14 units
Step-by-step explanation:
Perimeter is the distance around the outside of the shape. Add up all the sides. See image.
187.5 gallons
Make a proportion
=
3000/16 = 187.5, so multiply 1 by 187.5 to find the gallons used in a year
This gets you 187.5 gallons used in a year