You have a deck that has an area of 144 sq. ft. you and your family have decided to increase the area of your deck by 32 sq. ft. what is the percent of increase to the area of the deck?

22.222222222%

Put it into an equation.

32  x  (x)

144     100

Cross multiply, then divide.

32 x 100 = 3,200

3,200 / 144 = 22.222222222%

df =

both have same length

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !