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.
2 answers:
Answer:
The answer is 15
Step-by-step explanation:
Lets say b is the age of Sophie, so B would equal 11.5
11.5 + 3.5 = 15 years old.
Answer:
b = 8
Step-by-step explanation:
b + 3.5 = 11.5
Subtract 11.5 from 3.5 to get her brother's age
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