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Mnenie [13.5K]
3 years ago
9

In a group of 100 people, 70 have a DVD player, 60 have a CD

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
5 0

Answer:

50 people

Step-by-step explanation:

100-70 is 30. 30-20 is 10. 60-10 is 50.

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