In Mila's class, 1/3 of her class has a brother. Of the students who have a brother, 1/2 of them also have a sister. What fraction of the students in Mila's class have a brother and a sister? Write in lowest terms and show your work.
Q. In Mila's class, 1/3 of her class has a brother. Of the students who have a brother, 1/2 of them also have a sister. What fraction of the students in Mila's class have a brother and a sister? Write in lowest terms and show your work.
Determine Fraction with Brother: Determine the fraction of the class that has a brother.We are given that 31 of Mila's class has a brother.
Fraction with Brother and Sister: Determine the fraction of the students with a brother who also have a sister.We are given that 21 of the students who have a brother also have a sister.
Calculate Both Siblings Fraction: Calculate the fraction of the class that has both a brother and a sister.To find this, we multiply the two fractions from Step 1 and Step 2.(31)×(21)=61
Check Lowest Terms: Check if the fraction is in the lowest terms.The fraction 61 is already in the lowest terms because 1 and 6 have no common factors other than 1.
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