Free online video lessons from khanacademy
covering the practice questions in the problem-solving math section of The Official Guide
for GMAT Review.
### The videos on this lesson are for GMAT Practice Questions 161 - 179 (starting from page 174 in the Study Guide)

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

It would be best that you go through the GMAT practice test questions in the Study Guide first and then look at the videos for the questions that you might need help in.

**Questions 161-162, pg. 174 **

**Questions 163-166, pg. 174 **

**Questions 167-172, pgs. 174-175 **

**Questions 173-176, pgs. 175-176 **

**Questions 177-179, pg. 176 **

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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