The perimeter is the total of the length • 2, + Width • 2. Doing it in reverse order, 230 - 2(Width) = 104.
104/2 = 52
4(1+1+2)-2(1)+8+4 you would just plug it in for x and y. And then solve the equation.
You can only buy 1 CD using $12 because $12 minus $8 is $4 and $4 is not enough for another CD.
50 divide to find the answer
