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Mathage = Math + Massage.
This video is the 28th episode of GMAT Challenge 2018. In this challenge, I attempt to solve all problems (problem solving & data sufficiency) from GMAT Official Guide 2018. I try to use the most efficient method. Hopefully some of these videos could help someone.
Track: Jim Yosef – Imagine [NCS Release]
Music provided by NoCopyrightSounds.
Free Download / Stream: http://ncs.io/ImagineYO