Simple.
to figure out if they are either: equal, greater, or smaller...
First, find a common denominator...

and

Now, we can
obviously make the assumption that

is greater than

.
Thus, your answer.
Peter paid 0.85 tax which is at 7.1% sales tax
So what you do is theres 12 months so multiple that by 15 and get 180 then what you do is what time 80 equals 180 and thats your answer
43.0810
Since the hundred thousandths is a 1 which is less than a 5, you have to round down.
I believe the answer is supplementary