In this article, we’re going to tackle a challenging GMATPrep® problem solving question from the topic of Percents. (The GMATPrep® software can be downloaded for free at MBA.com) Let’s start with the problem. Set your timer for 2 minutes… and… GO! *Before being simplified, the instructions for computing income tax in country R were to [...]
Read the full article: Breaking Down a GMATPrep Percent Problem







