Author Archive | Mike MᶜGarry

• Mike served as a GMAT Expert at Magoosh, helping create hundreds of lesson videos and practice questions to help guide GMAT students to success. He was also featured as "member of the month" for over two years at GMAT Club. Mike holds an A.B. in Physics (graduating magna cum laude) and an M.T.S. in Religions of the World, both from Harvard. Beyond standardized testing, Mike has over 20 years of both private and public high school teaching experience specializing in math and physics. In his free time, Mike likes smashing foosballs into orbit, and despite having no obvious cranial deficiency, he insists on rooting for the NY Mets. Learn more about the GMAT through Mike's Youtube video explanations and resources like What is a Good GMAT Score? and the GMAT Diagnostic Test.

Rate Definition: Ratios and Rates

What is a ratio? What is the rate definition? What’s the difference? And how do you work with rates? Click here to learn about ratios and rates in math!

Ratio Math: Combining Ratios

If you need to brush up on your Ratio Math, you’re in the right place! Click here to learn all about combining ratios, and more.

Percent Increase and Decrease: Sequential Percent Changes

When a percent increase and decrease is followed by yet another increase or decrease — you have sequential percent changes. Click here to learn more!

Simple and Compound Interest

Are you crystal clear on the concepts of simple and compound interest? If not, or if you need a brush up, check out this video that explains if for you!

Percent Decreases

Finding a percent increase vs. a percent decrease is the question. We have the answer! Click her to find out more about how to find a percent decrease.