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Bari has 180 Mardi Gras beads. 2/3 of the beads are green. 40% of the remaning beads are gold and the rest are purple. What fraction of the beads are gold? how many purple beads does she have?

  • math - ,

    2/3 green = 2/3(180) = 120

    60 remain

    120 + .4(60) + P = 180

    Solve for P(urple).

  • math - ,

    Green=120
    Remaining=60
    Gold=40% * remaining=40%* 60=24
    Purple=36

    Fraction of gold=24/180=2/15

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