In a group of 60 people, 27 like cold drinks and 42 like hot drinks and each person likes at least one of the two drinks. how many like both cold ang hot drinks
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27+42-60 = 79-60 = 19......
19members like two cold drinks
..........
jonamargasmen:
solution
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total liked cold drink and hot drinks together is 27+42= 69
the group both like coldrink and hot drink
are....
69-60 = 9
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