Questions
Single choice
30 people were surveyed about their favourite type of pet: 15 people liked cats, 20 people liked dogs and 10 people liked both. Determine how many people liked dogs or cats:(I:1)
Options
A.a. 10
B.b. 30
C.c. 35
D.d. 25
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Step-by-Step Analysis
We start by identifying the given sets: let A be the group that likes cats and B be the group that likes dogs. The data provides: |A| = 15, |B| = 20, and |A ∩ B| = 10. The quantity asked is the number of people who liked dogs or cats, which is the union ......Login to view full explanationLog in for full answers
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