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26-01-2017
Mathematics

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What is the solution to the proportion? 45/n=9/11 A.n=2.2 B.n=36.8 C.n=55 D.n=90

Respuesta :

JonHenderson55 JonHenderson55

26-01-2017

The answer is: [B]: " n = 36.8 " .
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Explanation:
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45/n = 9/11 ;

11n = 9 * 45;

11n = 405;

11n / 11 = 405/11;

n = 36.8181818181818182 -----> answer choice: "B".
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