Data Sufficiency Practice Problem

Crack your knuckles and sharpen your pencil because we have a sample GMAT Data Sufficiency problem for you to try to solve. Since these GMAT questions get pretty tricky, we brought on Manhattan GMAT guru Chris Ryan to help us through. He knows what he's talking about because he scored 790 on the GMAT! Ready-Set- Click PLAY! MBA Podcaster listeners receive a $100 discount on Manhattan GMAT...