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Proportions - rule of three - percentages

Proportions, rule of three, cross-multiplication, percentages. This is a simple app to calculate proportions (...

Free

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Proportions, rule of three, cross-multiplication, percentages. This is a simple app to calculate proportions (rule of 3, cross-multiplication, percentages), by selecting incognite X and entering data. Easily calculate most common cases.

Last update

Oct. 9, 2019

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