Continuing our GMAT prep video series, today we break down a common type of ratio problem that you will often see in Data Sufficiency problems. As Brian says, many people are not comfortable working with ratios. Add in unknown variables, and intuition often goes out the window. But, if you look closely, often the problem does indeed give you enough information to solve the problem.

Fortunately, being grounded in basic Data Sufficiency strategy can help. Remember that there will be many instances in which you’ll be tempted to select answer choice E (insufficient information), but upon further inspection, you may realize that you do in fact have what you need. Watch the video to learn more:

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## GMAT Video of the Week: Working with Ratios in Data Sufficiency Problems

*Posted on August 3, 2011, filed in: GMAT, GMAT Prep, GMAT Tip of the Week*

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The video is awesome! Thank you!