To solve this expression, we first need to simplify the terms inside the parentheses.
1/3 - 1/9 can be rewritten as (3/9) - (1/9) = 2/9.
Now, we can multiply the simplified term by 18:
18 * (2/9) = 36/9 = 4
Therefore, the solution to 18 * (1/3 - 1/9) is 4.
To solve this expression, we first need to simplify the terms inside the parentheses.
1/3 - 1/9 can be rewritten as (3/9) - (1/9) = 2/9.
Now, we can multiply the simplified term by 18:
18 * (2/9) = 36/9 = 4
Therefore, the solution to 18 * (1/3 - 1/9) is 4.