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The Mixture Alligation Scale

GMAT glossary · Quantitative Reasoning

Definition

Seesaw / alligation scale for blending two concentrations or prices to a target (same move as Balance Method).

The Mixture Alligation Scale in plain English

Same move as Mixture Alligation Scale (Balance Method / Alligation Seesaw): put the two pure values on the ends, the target in the middle, and cross-read opposite gaps as part counts. Micro-example: mix 10% and 40% to get 20%. Gaps 10 and 20 give ratio 1:2 strong to weak.

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