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12 June, 09:37

a box contains 20 red, 10 blue and 30 yellow beads. what is the probability of a bead drawn at random being yellow or blue?

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  1. 12 June, 11:01
    0
    2/3

    Step-by-step explanation:

    1. add all the beads up together:

    20+10+30 = 60

    2. add the blue and yellow beads up:

    10+30 = 40

    3. put 40 over 60

    40/60 which equals 2/3

    4. the final answer:

    2/3
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