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Mathematics, 20.05.2020 22:05 taijaababy

Lana is 12 years old. Her sister is y years
old. Lana is twice as old as her sister.
How old is Lana's sister?

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Answers: 3

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Lana is 12 years old. Her sister is y years
old. Lana is twice as old as her sister.
How...
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