math destroyer 2017

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  1. chackoaltes

    DAT math destroyer wrong solution?

    First time posting, so I'm sorry if this is in the wrong place. I'm looking at math destroyer practice test 2, problem 8: Donna says that she was 21 when her daughter Trish was born. When asked how old her daughter is today, Donna said that in 6 years she will be 6 more than twice her...