Hello!
The answer is: 1,5 pints.
Why?
Firts, we must know that:

and:

Knowing that, we can calculate how many pints of fruit juice does the can contain
If
and

So,

We have that

Then, calculating, we have:

So, a can of 24 ounce of fruit juice is equal to 3 cups of fruit juice, and it's equal to 1,5 pints of fruit juice.
Have a nice day!