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Mathematics, 05.10.2020 14:01 suemmimonjaras8374

30 drinkers were asked whether they like coffee or tea. 18 like coffee
15 like tea
11 like both
a) how many like coffee or tea?
b) how many like coffee but not tea
c) how many don't like either neither
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30 drinkers were asked whether they like coffee or tea. 18 like coffee
15 like tea
11 l...
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