marabelknap
marabelknap marabelknap
  • 20-01-2015
  • Mathematics
contestada

what is the value of this proportion? 8/12 = 10/n

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konrad509
konrad509 konrad509
  • 20-01-2015
[tex]\dfrac{8}{12}=\dfrac{10}{n}\\ \dfrac{2}{3}=\dfrac{10}{n}\\ 2n=30\\ n=15[/tex]
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luana
luana luana
  • 20-01-2015
[tex]\frac{8}{12}=\frac{10}{n}\ \ \ \ \ \ | cross\ multiplication\\\\ 8n=10*12\\\\ 8n=120\ \ \ \ | divide\ by\ 8\\\\ n=15[/tex]
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