Plz need this urgent like now 20 points gabriella plans to purchase six laying hens. her family will enjoy the fresh eggs for breakfast. gabriella wants to create a rectangular enclosure for her chickens. her dad gave her 90 feet of fencing. gabriella decided that two of the side lengths would be 15 feet long. what could be the length of the other two sides? let r represent the length of each of the other two sides.

which of the equations below best represents the situation?

question 3 options:

a.90 = 30r + 2

b.90 = 30 + 2r

c.30 + 1/2r = 90

d.30r + 1/2 = 90