Posted by **Sammyjoo** on Thursday, June 7, 2012 at 12:07am.

15) Marissa is 3 years older than her younger brother. Her older brother is twice as old as her younger brother. Her older brother is 18. How old are Marissa and her younger brother?

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March 23, 2017
Posted by **Sammyjoo** on Thursday, June 7, 2012 at 12:07am.

15) Marissa is 3 years older than her younger brother. Her older brother is twice as old as her younger brother. Her older brother is 18. How old are Marissa and her younger brother?

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