Mathematics, 01.07.2021 21:50 batmandillon21
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...
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