To solve this equation, you need to first convert the mixed number 3 1/2 to an improper fraction.
3 1/2 can be written as (7/2).
So, the equation becomes:
(7/2) x 2000 = 7000
Multiplying 7/2 by 2000 gives us 7000.
Therefore, the answer to 3 1/2 x 2000 is 7000.
Hope this answer helps :)