2 years ago

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?

2 answers:

4 0

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 :)

Cerrena [4.2K]2 years ago

3 0

J(Jane) + 3 = B(Billy)*2
J + 3 = 7(2)
J + 3 = 14
J = 14-3
J = 11 (Jane is 11)Cheers!

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