hoopcoach99 hoopcoach99
  • 28-03-2017
  • Mathematics
contestada

The sum of three numbers is 122. The third number is 8 less than the first. The second number is 4 times the third. What are the numbers?

Respuesta :

daniii1480 daniii1480
  • 30-03-2017
x+y+z=122
z=x-8
y=4z

y=4(x-8)
x+4x-32+x-8=122
x=27 y=19 z=76
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