1a.
Amount of water in the tub per x minutes = 42 – 3x
1b. The term with variable (3x) represents the number of gallons of water
that exits the tub per “x” minutes.
1c. The constant number (42) represent
the full gallons of water before it started to drain.
1d. 14 mins.
Hope my answer would be a great help for you.
