Asurvey was taken of children between the ages of 10 and 17 about how many siblings they have and whether they have a pet. the results of the survey are shown in the table. which statement must be true?
a. out of the 125 children who do not have a pet, 18 of them have 2 siblings.
b. out of the 97 children who have 1 pet, 40 of them do not have any siblings.
c. out of the 125 children who do not have any siblings, 34 of them have a pet.
d. out of the 97 children who have 1 sibling, 40 of them do not have a pet.