HeyItsMee HeyItsMee
  • 18-02-2015
  • Mathematics
contestada

x + y = 1,000
0.06x = 0.04y

Respuesta :

MASuryan
MASuryan MASuryan
  • 18-02-2015
If:
x + y = 1000
then:
y = 1000 - x

We can plug that into the other equation to solve for a value of x.
0.06x = 0.04y
0.06x = 0.04(1000-x)
0.06x = 40-0.04x
0.1x = 40
x = 400

We can then solve for y:
y = 1000 - 400
y = 600

Therefore, x = 400 and y = 600.
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