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SAT Math›Unit 3: Problem-Solving and Data Analysis›Ratios and Percents

Percent Change

Percent change is (new − old) / old. Stacked percent changes multiply rather than add, and that's where most SAT traps are.

Search SAT Math

The multiplier methodSuccessive changesPercent of vs. percent more than

35 videos · ranked by how well they teach

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19

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Unit 3: Problem-Solving and Data Analysis

Percent Change
Rates and Unit Conversion
Mean, Median, and Spread
Two-Way Tables and Probability

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Rates and Unit Conversion

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Also called: percentages, percent increase, percent decrease