The relationship between a volume in fluid ounces (z) and the same volume in gallons (g) is described by the equation z=128g.

1. Find measurements in fluid ounces and gallons by completing the table.

1=__
5=__
__=384
__=1,920

2. Is there a proportional relationship between a measurement in fluid ounces and a measurement in gallons for the same volume?

Explain why or why not.