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Sophie is 3.5 years younger than her brother. She knows that when she is b years old, her brother is b+3.5 years old. Right now, Sophie is 11.5 years old. How old is Sophie's brother? Write your answer
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Sophie is 3.5 years younger than her brother. She knows that when she is b years old, her brother is b+3.5 years old. Right now, Sophie is 11.5 years old.

How old is Sophie's brother?
Write your answer as a whole number or decimal

User Heinnge
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7 votes
the answer is 15, cause if you add 3.5 and 11.5 that equals 15
User Tanvir
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