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TiliK225 [7]
3 years ago
10

A girl is 18 years old and her brother is a third of her age. When the girl is 36 what would be the age of the brother?

Mathematics
2 answers:
ale4655 [162]3 years ago
8 0
First we need to calculate how many years her brother has when she is 18. As text says he is:
18/3 = 6 years old

Now when she gains another 18 years (36-18=18) he will also gain those 18 years

When she is 36 he will have 6+18=24 years old

Answer is 24.
fredd [130]3 years ago
7 0
Her brother is 6 yrs old
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