the minimum number of straight lines required to

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
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by ceilidh.erickson » Sat Dec 01, 2018 3:26 pm
This is not a GMAT-style question. The GMAT does not ask for this style of time-consuming puzzle problem. Please still to questions only from GMAC or reputable test prep companies.
Ceilidh Erickson
EdM in Mind, Brain, and Education
Harvard Graduate School of Education