Answer:
The equation that relates the weight of the water and the container in pounds and the amount of water in gallons is
.
Explanation:
From Physics we understand that conversions are represented by the following linear equation:
(1)
Where:
- Original value, measured in original unit. (pounds)
- Conversion value, measured in final unit per original unit. (gallons per pound)
- Final value, measured in final unit. (gallons)
If we know that
,
and
, then the equation is:

The equation that relates the weight of the water and the container in pounds and the amount of water in gallons is
.