Question

Holly increases 800 by 10%.

She then decreases the result by 10%.
What is her final number?

Answer 1

792

Explanation:

First she increases 800 by 10 percent

Since 10 percent of 800 is 80, it becomes 880

then she decreases this result by 10 percent

since 10 percent of 880 is 88, the result becomes 880-88=792

Therefore 792 is the final number

Answer 2

Explanation:

792!