SOLUTION: Adam is 12 years older than his sister Liz. Four years ago Adam was 4 times older than his sister. How old is each now?

Question 1140892: Adam is 12 years older than his sister Liz. Four years ago Adam was 4 times older than his sister. How old is each now?

Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.

This passage "Adam was 4 times older than his sister" is prohibited (is strongly not recommended for use)
in Math problem formulations in English.

    It should be replaced by


        "Adam was 4 times as old as his sister's age",  

    or  

        "Adam was 3 times as old as his sister's age",  


    depending on which idea, precisely and exactly, you want to bring to a reader.

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