Today’s SAT question of the day is a math question that is rated hard. If you work along with me step by step, I think you’ll see that this problem really isn’t so hard after all. In fact, we are even going to discuss two ways to solve it.

Here is the problem: we have a revenue model that is expressed by r(p) = 2,000p – 10p^2. We need to know which of the values in the answer choices will give us the greatest revenue. Continue reading →