tanoah5729
07.07.2019 •
Mathematics
Asurvey of 22 pet owners revealed that 12 owned cats, 11 owned dogs and eight owned neither. draw a venn diagram use one circle to represent cat owners, one circle to represent dog owners. find the number in each region then answer the following questions: how many people owned both cats and dogs. how many people own dogs but not cats
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Ответ:
2 owned dog but not cat
3 own cat but not dog
9 own both
Ответ:
(3/2)*(2/3x)=(3/2)*(12)
Answer=
x=18