The answer is really simple. 3 quarts is more. There are 4 pints in a quart. There are 4 quarts in a gallon.
There are 4 quarts in a gallon it's really simple
![a_{n}](/tpl/images/0194/0063/37b0c.png)
= n - 4
The term that has a value of 8?
![a_{n}](/tpl/images/0194/0063/37b0c.png)
= n - 4 = 8
n - 4 = 8
n = 8+ 4
n = 12
d) the twelfth term