Mathematics
Mathematics, 19.03.2021 18:50, jbug6780

Ruth is two times as old as Margie, and Lily is 10 years older than Ruth. If Lily is 60 years old, how old is Margie? (Let m represent the age for Margie and r represent the age for Ruth in years)

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Ruth is two times as old as Margie, and Lily is 10 years older than Ruth. If Lily is 60 years old, h...

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