Скачать или смотреть Free GMAT Prep Hour: All About Percents Part II: Percents and Profit

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In this session, GMAT instructor Reed Arnold guides you through GMAT content and strategy. We continue the discussion about 'percents,' and their relationship to ratios/proportions. With a focus on questions dealing with revenues, costs, and profit, we discuss some of common mistakes in taking 'percents of percents,' and demonstrate how percent changes of individual values affects the percent change of the difference of those values.

0:00-2:25 Welcome
2:25-11:20 Intro, warm up, and recap
11:20-21:40 Solution to question 1
21:40-26:35 Solution to question 2
26:35-28:40 The Pieces of Profit, Visualized
28:40-36:50 Percent Changes and Profit in DS
36:50-43:30 Solution to question 3
43:30-48:50 Solution to question 4
48:50-57:15 Solution to question 5
57:15 -1:02:10 Solution to question 6
1:02:10-1:09:26 Challenge Problem

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