GMATmath
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To solve many of the quantitative questions on the GMAT, it is essential to understand a couple key equations. This article will clearly lay out 3 very important formulas.
We have all encountered factor trees at some point during grade school. When I first encountered them as a kid, the whole exercise seemed unnecessary and silly. I thought to myself, “Great. I can list all the prime factors of 48. But, to what end?” It was not until much later that I realized the utility of prime factorizations. On an exam like the ...