All the points touch with -2,-1,1,2 and 12
You will need 28 rows because if you divide 224 by 8 you would get 28 (:
Rewrite = so is on the left side.
You take the amount paid and divide it by the amount of cheese. So 10.50 divided by 2.5 equals 4.2 and 12.60 divided by 3 equals 4.2 meaning that one pound of cheese costs $4.20