Question

red letters and blue letters are used in a game.
some of the letters are x. all the other letters are y.

the ratio of the number of red letters to blue letters is 2:5
the ratio of the number of red xs to the number of red ys is 1:3.
the ratio of the number of blue xs to the number of blue ys is 3:1
work out what fraction of the letters are x.

Answer 1

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