in order to figure this out we need to change 10% into a decimal.
10% = 0.10
Now we multiply 0.10 x 29.99 = 2.999
Since it asks "off of"
meaning to take away 10% from 29.99
we have to subtract
sooooo...
29.99 - 2.999 = 26.991
So your answer is 26.991
Good Luck!