Answer:
n (w)=143
n(r)=1135
n (both)=70
Step-by-step explanation:
n(w only )=143-70
=73
n (r only)=1135-70
=1065
number of people who use at least one type of toothpaste =73+1065
=1138
The answer is 2.
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C / (2 pi) = r
C = 2 pi r
Divide each side by 2 pi
C / (2 pi) = 2 pi r/ (2 pi)