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In Joel's grade, 1⁄5 of the students have a sister. Of the students who have a sister, 5⁄6 also have a brother. What fraction of the students in Joel's grade have both a sister and a brother?

Respuesta :

Answer:

1/6 of the students in Joel's grade have both a sister and a brother

Step-by-step explanation:

We have that:

1/5 of the students have a sister.

Of those who have a sister(1/5), 5/6 also have a brother. So

[tex]\frac{1}{5}\ast\frac{5}{6}=\frac{1}{6}[/tex]

1/6 of the students in Joel's grade have both a sister and a brother

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