2/3 of the students have a sister. Of the students who have a sister, 1/2 also has a brother. What fraction of the students have both a sister and a brother?

Question

I need to figure out what fraction of the class has both a brother and sister

Answer 1

Hi Anastasiya:

 

You are looking for 1/2 OF 2/3

 

In word problems such as this OF 

means to multiply.

 

(1/2)(2/3) = 2/6 = 1/3