File:1911 Britannica - Arithmetic15.png
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English: Ratio.—The diagram A exhibits a relation between the two amounts 5s. 10d. and 14s. on the one hand, and the numbers 10 and 24 of the standard series on the other, which is expressed by saying that 5s. 10d. is to 14s. in the ratio of 10 to 24, or that 14s. is to 5s. 10d. in the ratio of 24 to 10. If we had taken 1s. 2d. instead of 7d. as the unit for the second column, we should have obtained the diagram B. Thus we must regard the ratio of a to b as being the same as the ratio of c to d, if the fractions a/b and c/d are equal. For this reason the ratio of a to b is sometimes written a/b, but the more correct method is to write it a:b. (Illustration from Encyclopædia Britannica Eleventh Edition, 1911, article Arithmetic) |
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Encyclopædia Britannica Eleventh Edition, Vol. 2, Page 532;  |
| Author | Encyclopædia Britannica, 1911 |
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This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
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| current | 15:16, 2 April 2013 | | 153 × 264 (32 KB) | Clarice Reis (talk | contribs) | User created page with UploadWizard |
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