jmk41414141p4txqr
jmk41414141p4txqr jmk41414141p4txqr
  • 17-10-2018
  • Mathematics
contestada

help with me 11 please

help with me 11 please class=

Respuesta :

mrndcn92 mrndcn92
  • 17-10-2018
x + y + z = 27
x = 2z
y = 3 + z
2z + 3 + z + z = 27 ; 4z = 24; z = 6 youngest
x = 12 oldest
y = 9 middle one


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