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Jane is Billy's sister, Jane is 3 years older than 2 times Billy's age. If Billy is 7 years old then how old is Jane?
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Jane is Billy's sister, Jane is 3 years older than 2 times Billy's age. If Billy is 7 years old then how old is Jane?

User Silgon
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2 Answers

3 votes
2 x 7(billy's age) = 14
^2 times billy's age

14 + 3 = Jane's age
^3 years older(added) than 2 times billy's age

17 = Jane's age

hope this helps and have a great day :)



User Redge
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6.2k points
5 votes
J(Jane) + 3 = B(Billy)*2
J + 3 = 7(2)
J + 3 = 14
J = 14-3
J = 11 (Jane is 11)Cheers!
User Annk
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