During a bake sale 112 dozen cookies were sold in 13 hour. What is the unit rate for the dozens of cookies sold per hour?

Answer 1

4.5 because there is one half in every third and there is only three thirds

Answer 2

112/13 = ?

Answer 3

8.61538461538 according to a calculator

about 9 or 8.6

Answer 4

where did you get 4.5 anyway?