Kara did a survey to determine to study the types of pets that students in her school had. She surveyed 300 students and found that 40% of them had cats, 12% had both cats and dogs, and 45% didn't have either. How many of the students that Kara surveyed had dogs?
1) 61
2) 71
3) 81
4) 91

(C)81

Step-by-step explanation:

Total Number of Students =300

Percentage who had cats, n(C) = 40%

Percentage who had both cats and dogs , = 12%

Percentage who had neither cats nor dogs, =45%

Now:

Universal Set,

Therefore:

Number of Students who had dogs

=27% of 300

=81

282 6/7 cm^2

step-by-step explanation:

(4,5

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