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52, 54, 56, … 616, 618, 620 Above is the set of consecutive even integers from 52 to 620, inclusive. How do you find the average of this set (or any set of terms that are equally-spaced by addition)? Instead of dividing the sum of all terms by the number…

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Get 50% off ALL bookings made this week with code SPRING2018 at http://telostutors.com/booking!

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Get an extra 20% off ALL packages including GRE, GMAT, ACT, and SAT prep! Code: HOLIDAY20. http://telostutors.com/store

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"A good rule..., when you are first learning new concepts, is not to let things go untouched for longer than a day."

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I'm so grateful for how much I learn from my students at each and every session! #gratitude #alwayslearning

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