X= the fee that is paid montly
725= 125+12x
12 represent 12 months in a year multiplied by the fee paid each month plus the registration fee.
It’s 7 1/2 because 4x3 gives you the length of the bigger rectangle so, you multiply 2 1/2x3 and get 7 1/2 :)
Width of 76 inches and length of 3
or width of 77 and length of 2
or width of 78 and length of 1
they all have a perminiter of 158 and all widths exceed 75
A larger interval is wider than a smaller interval.
