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A girl age is 21 year old and her brother is a third her age.When the girl is 36,what will be the age of her brother?

A girl age is 21 year old and her brother is a third her age.When the girl is 36,what will be the age of her brother?
asked 135k views
5 votes
a girl age is 21 year old and her brother is a third her age.When the girl is 36,what will be the age of her brother?

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User Poolie
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8.4k points

2 Answers

4 votes
I hope this helps you



brothers age 3.?=21 ?=7



when girl 36


now she is 21

36=21+15 it's have to past 15 years


15 years later brothers age


7+15=22


answered
User Jimmix
by
7.8k points
4 votes
Her brother is 7 years old at the moment. He will be 21 when his sister is 36.
answered
User Steve Gelman
by
8.5k points
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