The Percent Trick
Whenever you’re dealing with percent change in a math problem, there’s a two-step method to solving the question. What’s better than two steps? One step! In the video below, I show you the “percent trick” that can make percent change problems super straightforward. Bonus: This trick is also useful in real life, especially when you want to calculate sales tax, interest payments, discounts, and more.
This problem comes from the ACT Math test, but this strategy applies just as well to SAT Math questions. Make sure you try the problem yourself first before viewing my solution. Here it is: