Answer:
600
Explanation:
Which number is greater, and by how much? 600, or 600 decreased by 20% and then increased by 20% of the result.
600 decreased by 20% and then increased by 20% of the result
600 - (0.2 x 600) = 480
480 + (0.2 x 480) = 576
600 > 577
So, 600 is greater.