Thursday, May 20, 2010

Mrs. Rockwell surveyed the 48 students in her class about their families. 38 students have a brother or a sist

Mrs. Rockwell surveyed the 48 students in her class about their families. 38 students have a brother or a sister, 20 students have a sister, and 5 students have both a brother and a sister. How many students have only a brother?

Mrs. Rockwell surveyed the 48 students in her class about their families. 38 students have a brother or a sist
13
Reply:Five
Reply:13


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