If you add 5x to 2x+2 you will get 7x+2. You would set this equation equal to 80, so it would be 7x+2=80. When you solve this you will get 11.1428571429, which can be rounded to 11, 11.1, or 11.14, whichever you prefer.
From c=b-5
Independent variable is b, the number of cookies in the jar before your visit
Dependent variable is c, the number of cookies remaining in jar
Any questions please just ask. Thanks!
Um A :)
hope this helps :)))))))))))))
As there are 81 tiles total, that makes your area 81. Being a square, that makes your area equation A=s^2. As you need a side, this makes your equation s=√A. Plugging in 81 as A, we get s=√81=9, so an edge has 9 tiles.
N/4 less than or equal to 5
