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Posted by on Tuesday, November 15, 2011 at 9:24pm.

During a checkers game, there are 16 pieces left. The ratio of black to red is 3:5. How many black pieces are on the board?

  • Math - , Tuesday, November 15, 2011 at 9:25pm

    I think it's 6.

  • Math - , Tuesday, November 15, 2011 at 9:34pm

    number of black = 3x
    number of red = 5x
    3x+5x = 16
    8x=16
    x=2

    number of black pieces = 3(2) = 6
    number of reds = 5(2) = 10

    check:
    so we have 16 pieces
    and 6:10 = 3:5

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