Answer:

Step-by-step explanation:
One of the methods is to first split the face and the denominator of the fraction into first bases:

Let's simplify:

Insert a picture on the question bc there is no image
You would have $660. The trick for 10% of something is to move the decimal one place to the left. The decimal is “hidden” to the right of the last 0. Add that interest on to get your answer!! Good luck!