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5 October, 05:17

a bag contains 1p, 2p and 5p coins 3/8 of the bag are 1p coins there are 640 coins in total work out the numbers of 2ps in the bag

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  1. 5 October, 06:02
    0
    Under 400 Coins

    Step-by-step explanation:

    let 2p be X and 5p be Y

    1p coin in bag=3/8=3/8*640=240

    2p coin in bag=X

    5p coin in bag=Y

    240+X+Y=640

    X+Y=400

    X=400-Y

    The number of 2p coins=400-number of 5p coins
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