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02-12-2014
Mathematics

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Sum of 3 numbers is 133. Third number is 3 times the first. Second number is 8 more than the first. What are the numbers?

Respuesta :

02-12-2014

[tex]x,y,z-\ three\ numbers\\\\ z=3x\\ y=x+8\\\\\ x+z+y=133\\ x+3x+x+8=133\\ 5x+8=133\ \ | subtract\ 8\\5x=125\ \ | divide\ by\ 5\\ x=25\\\\ Numbers\ are:\ 25,33,75.[/tex]

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