Salutations!
What is 90% of $550?
Lets solve this!
This is percentage of quantity, therefore, you need to divide it later on by 100, as of = 100.
90 × 550/100
Cancel out the zeros to workout the problem easily
9 × 55/1
Multiply 9 and 55 ---
9 × 55 = 495
Now, divide the 495 by 1.
The answer is $ 495.
Hope I helped (:
Have a great day!