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Andrew Geller

Andrew Geller is a top GMAT tutor based out of New York City. Throughout his career he has successfully taught people from many different backgrounds, countries, and starting scores.

Machines X and Y work at their respective constant rates. How many more hours does it take machine Y, working alone, to fill a production order of a certain size than it takes machine X, working alone?

Machines X and Y work at their respective constant rates. How many more hours does it take machine Y, working alone, to fill a production order of a certain size than it takes machine X, working alone? (1) Machines X and Y, working together, fill a production order of this size in two-thirds the time

Machines X and Y work at their respective constant rates. How many more hours does it take machine Y, working alone, to fill a production order of a certain size than it takes machine X, working alone? Read the Full Article »

GMAT Reading Comprehension Challenge

Economist GMAT Reading Comprehension Challenge #30

Economist GMAT Reading Comprehension Challenge #30 Welcome to the Economist GMAT Reading Comprehension! First time? Here are suggestions for approaching the article. Economist Article Economist Article: “Wirecard’s scandal shows the benefits of short-sellers” Link: https://www.economist.com/leaders/2020/06/24/wirecards-scandal-shows-the-benefits-of-short-sellers Paragraph Summaries Germans consumed by tech envy of America… Wirecard is a German financial tech company, among one of the

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GMAT Reading Comprehension Challenge

Economist GMAT Reading Comprehension Challenge #27

Economist GMAT Reading Comprehension Challenge #27 Welcome back to the Economist Reading Comprehension Challenges! Just getting started? Here are some reading strategies on the EGRCC home page. Economist Article Economist Article: Walmart ekes out an edge in groceries during the pandemic Link: https://www.economist.com/business/2020/05/23/walmart-ekes-out-an-edge-in-groceries-during-the-pandemic Paragraph Summaries As COVID-19 began… Amazon’s pandemic-related expenses are eating away at

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GMAT Reading Comprehension Challenge

Economist GMAT Reading Comprehension Challenge #29

Economist GMAT Reading Comprehension Challenge #29 Welcome to the Economist GMAT Reading Comprehension Challenges! If this is your first article here are instructions for approaching the reading. Economist Article Economist Article: “The potential and the pitfalls of medical AI” Link: https://www.economist.com/technology-quarterly/2020/06/11/the-potential-and-the-pitfalls-of-medical-ai Paragraph Summaries The books strewn around… Introduction to Dr. Keane, a medical practitioner who

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