Mathematics, 02.08.2019 05:30 ebi21

Lana is the oldest of four sisters. her youngest sister is half her age. the other two sisters are twins $2$ years younger than lana. when the four sisters' ages are added together, the result is $45$. if the youngest sister is $n$ years old, what is $n$? lana is the oldest of four sisters. her youngest sister is half her age. the other two sisters are twins $2$ years younger than lana. when the four sisters' ages are added together, the result is $45$. if the youngest sister is $n$ years old, what is $n$?

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Lana is the oldest of four sisters. her youngest sister is half her age. the other two sisters are t...