Answer :
Sophie's Brother's Age : b+3.5 years old
Sophie's Age : b years old
= 11.5
Sophie's Brother's Age = 11.5 + 3.5
= 15 years old
Hence, Sophie's brother is 15 years old.
Hope this helps :)
P.s. Can you mark me as the Brainliest? :]
Sophie's Brother's Age : b+3.5 years old
Sophie's Age : b years old
= 11.5
Sophie's Brother's Age = 11.5 + 3.5
= 15 years old
Hence, Sophie's brother is 15 years old.
Hope this helps :)
P.s. Can you mark me as the Brainliest? :]