In Scarlett's grade, 1/5 of the students have a sister. Of the students who have a sister, 1/4 also have a brother. What fractio
n of the students in Scarlett's grade have both a sister and a brother?
1 answer:
Answer:
1/20
Step-by-step explanation:
In Scarlette grade 1/5 of the students have a sister.
Of the students who have a sister 1/4 also have a brother
Therefore fraction if students in Scarlet's grade who had both brothers and sister can be calculated as follows
= 1/5 ×1/4
= 1/20
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