Proportion 9931

The area of ​​Asia and Africa is 3:2, and the area of ​​Europe and Africa is 3:7. In what proportion are the sizes of Asia, Africa, and Europe?

Correct answer:

x = 21:14:6

Step-by-step explanation:

A:B = 3:2 C:B = 3:7 B:C = 7:3  A:B = 21:14 B:C = 14:6   A:B:C = 21:14:6 x=21:14:6

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