# SOLUTION: seven years ago B was twice as young as A,when A was3 years younger than B is now. How old is A now?

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 Click here to see ALL problems on Age Word Problems Question 529992: seven years ago B was twice as young as A,when A was3 years younger than B is now. How old is A now?Answer by josmiceli(9671)   (Show Source): You can put this solution on YOUR website!Let = A's age now Let = B's age now = A's age 7 years ago = B's age 7 years ago --------------------------- given: 7 years ago, A was 3 years younger than B is now (1) 7 years ago, B was twice as young as A ( half A's age ) (2) --------------------- (2) (2) (2) and (1) (1) (1) (1) Substitute (1) into (2) (2) (2) (2) (2) A is 15 check: (1) (1) (1) (2) (2) (2) (2) OK