The best way to get the perimeter is by adding the sides.
From there, you'd simplify. Due to the addition property of equality, you'd be able to put any of these together. (Variables plus variables and whole numbers plus whole numbers)
There are 168 hours in a week and, so if the hours in 5970 divided by 50 equals 119.4 (possibly irrelevant) but if he gets paid 5970 per year and works 0.57 hours per day (40 divided by 24) and works about 1.666_ days a week than that would equal 120.85
