Mathematics, 28.12.2019 02:31 tm133043

Three years ago, sharon was (8+b) years old and nora was (2b-1) years old. lupe will be 3b years old in 2 years. write an expression in simplest form for the present day sum of the three girls' ages?

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Three years ago, sharon was (8+b) years old and nora was (2b-1) years old. lupe will be 3b years old...