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Mathematics, 12.07.2019 01:50 marahsenno

All of our employees speak at least 2 languages and many of them (45%) speak 3. we have even got few (8%) persons, that speak 4 languages. what is the average number of languages spoken at our team?

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All of our employees speak at least 2 languages and many of them (45%) speak 3. we have even got few...
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