Hi again!
9 tens is 90, remember that, since 9 times 10 is equal to 90.
Our newer equation would look like this:
90 × 1/10 = ?
To get the answer...
90 × (1/10)
= (90/1) (1/10)
= (90) (1) / (1) (10)
= 90/10
= 9
That wasn't too hard, was it? :P
Your final answer is nine.
Hope this helps!