Number of Cases Ordered Number of rolls of paper towels

Question

1 12
3 36
5 60
10 120

A restaurant is placing an order for paper towels. The data table shows the amount of paper towel rolls compared to the number of cases. At which ratio in the data table does the constant proportionality appear?

Answer 1

The constant proportionality appears at a ratio of 12 rolls of paper towels per 1 case.