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24-06-2020
Mathematics

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Mary has postcards and stamps. The ratio of the number of postcards to the number of stamps she has is 2:9. If Mary has 36 stamps, how many postcards does Mary have?

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Аноним Аноним

24-06-2020

Answer:

8

Step-by-step explanation:

2:9

9*4 = 36

2*4 = 8

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