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James is 19 years old. He is three years older than twice his sister’s age. How old is James’ sister?

James is 19 years old. He is three years older than twice his sister’s age. How old is James’ sister?
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James is 19 years old. He is three years older than twice his sister’s age. How old is James’ sister?

User Ttarchala
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James is 19. that means take away 3 from 19=16 and half 16 =8. if we do that again. his sister=8×2=16+3
User Maulrus
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His sister is 8 because twice his sisters age is 8+8=16 and 16+3=19
User Daniel Sixl
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