For this case we have the following conversion of units:
1 gallon = 8pint
We can then apply the following rule of three:
1 gallon --------> 8 pint
15 gallons -----> x
Clearing x we have:
x = (15/1) * (8)
x = 120 pints
Answer:
Jordan will need 120 pint containers of water to fill the fish tank