Mathematics, 08.04.2021 23:20 hesterkl1225
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
Answers: 3
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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...
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