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26-10-2014
Mathematics

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when x = 12,y = 8 find x when y = 12

Respuesta :

26-10-2014

[tex]x=12\ \ and\ \ y=8\\\ x=?\ \ \ and\ \ y=12\\\\ Making\ ratio:\\\\ 12-8\\x-12\\\\ Cross\ multiplication:\\\\ 12*12=8x\\\\ 144=8x\ \ \ | divide\ by\ 8\\\\x=18\\\\For\ y=12\ x=18.[/tex]

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