Answer: B) (1, 16.5)
Explanation:
Given: Cambridge has a job mowing lawns.
He mowed 5 lawns last week and earned $82.50.
For this the unit rate=

Thus ,the unit rate for this situation=[tex]\frac{82.50}{5}[\tex]
hence, the unit rate for this situation = $ 16.50 per lawn
Therefore, the unit rate is represent by the coordinate pair (1,16.5).