P6 Percentage

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1 thought on “P6 Percentage”

  1. 20-cent coins: 30%
    50-cent coins: ⅕ × 70% = 14%
    $1 coins: 56%
    30×$0.2 + 14×$0.5 + $56 = $69
    $310.50 ÷ $69 = 4.5
    total coins: (30+14+56)×4.5 = 450

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