Of the students in Pam's class, 1/2 have a pet cat. Of the students who have a cat, 1/4 also have a dog. What fraction of the students in Pam's class have both a cat and a dog?Write your answer as a fraction or as a whole or mixed number.
Question
Of the students in Pam's class, 1/2 have a pet cat. Of the students who have a cat, 1/4 also have a dog. What fraction of the students in Pam's class have both a cat and a dog?Write your answer as a fraction or as a whole or mixed number.
Solution
To find the fraction of students who have both a cat and a dog, you multiply the fraction of students who have a cat by the fraction of those students who also have a dog.
1/2 of the students have a cat.
1/4 of those students also have a dog.
So, you multiply 1/2 by 1/4 to find the fraction of students who have both.
1/2 * 1/4 = 1/8
So, 1/8 of the students in Pam's class have both a cat and a dog.
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