The table shows the ratio of caramel corn to cheddar corn in a bag. What is the constant of proportionality?
Cheddar Corn Caramel Corn
10 15
20 30
30 45
To find the constant of proportionality, divide the ratio of caramel corn to cheddar corn for each row:
15/10 = 1.5
30/20 = 1.5
45/30 = 1.5
The constant of proportionality is 1.5.