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13 May, 16:59

You make a necklace with blue, purple, and green beads in a ratio of 1:1:2. Total of 168 beads. How many green beads are there?

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Answers (2)
  1. 13 May, 17:17
    0
    If they are in the ratio of 1:1:2 then you have x blue, x purple and 2x green.

    x + x + 2x = 168

    4x = 168

    x = 168 / 4

    x = 42

    So both blue and purple are 42 and green is 84

    Check

    42 + 42 + 84 = 168 which checks.
  2. 13 May, 17:29
    0
    Blue = 1/4

    purple = 1/4

    green 1/2

    168/4 = 42

    blue = 42 beads. purple = 42 beads. green = 84 beads

    there is a total of 84 green beads.
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