797 155 Marks
56%
White shapes and black shapes are used in a game.
Some of the sh...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 30.03.2020 21:20, saintsfan2004
797 155 Marks
56%
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 5: 11
The ratio of the number of white circles to the number of white squares is 3:7
The ratio of the number of black circles to the number of black squares is 3:8
Work out what fraction of all the shapes are circles.
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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