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Published in:
1977 | OriginalPaper | Chapter
Ratio and Proportion
Author : Harold Ward
Published in: Business Arithmetic
Publisher: Macmillan Education UK
Included in: Professional Book Archive
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A ratio is the relationship in size between one amount and another. It is a pure number, and no units (e g grams or centimetres) are involved (they cancel out), but the amounts or quantities involved must be of the same kind and expressed in the same units. If they are expressed in different units they must be converted to similar units before a comparison can be made.