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den301095 [7]
2 years ago
11

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
Mathematics
2 answers:
evablogger [386]2 years ago
5 0
The answer is 15, cause if you add 3.5 and 11.5 that equals 15
DiKsa [7]2 years ago
3 0

Answer:

Sophie's brother is 9 exactly

Step-by-step explanation:

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