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Mathematics, 12.07.2019 18:00 aerisander02

The sum of four numbers is 253. the ratio of the first to the second is 2 : 3. the ratio of the second to the third is 5 : 6. the ratio of the third to the fourth is 8 : 9. what is the average of the second and the third number?

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The sum of four numbers is 253. the ratio of the first to the second is 2 : 3. the ratio of the sec...
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