Example
the table shows the relationship between the money that
leo earns and the number of lawns that he mows. is the
relationship proportional?
4
1
1
number of lawns
money earned ($)
2
10
5
25
20
40
the ratios of the money earned to the number of lawns all
simplify to, or 5, so the relationship is proportional.
graph the relationship between the money earned and
the number of lawns and connect the points. how does
the graph tell you that the relationship is proportional?