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The age of a boy is twice that of his sister. Five years ago the boy was three times the age of his sister. how old is the boy and his sister now?​

 Aug 13, 2020
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Boys age = B

Sister's age = S

 

B = 2*S

B - 5 = 3*(S - 5)

 

Use these two equations to find B and S.

 Aug 13, 2020

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