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Mathematics, 24.02.2021 19:50 Amholloway13

White shapes and black shapes are used in a game. Some of the shapes are circles.
All the other shapes are squares.

The ratio of the number of white shapes to the number of black shapes is 3 : 7

The ratio of the number of white circles to the number of white squares is 4 : 5

The ratio of the number of black circles to the number of black squares is 2 : 5

Work out what fraction of all the shapes are circles.

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White shapes and black shapes are used in a game. Some of the shapes are circles.
All the oth...

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