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 stamp
s, how many postcards does Mary have?
1 answer:
Answer:
8
Step-by-step explanation:
2:9
9*4 = 36
2*4 = 8
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Answer:
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Step-by-step explanation:
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