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10 May, 12:18

X + y = 1,000

0.06x = 0.04y

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Answers (1)
  1. 10 May, 12:24
    0
    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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