This math topic focuses on the calculation of the final amount of money after applying a percentage-based growth, which involves understanding and applying the concepts of percentages and simple interest. Questions require calculating total amounts including interest, using various principal amounts and interest rates. Interest rates used are simple, straightforward multiples of 10%. The problems are designed to assess and reinforce the learner's ability to handle basic interest calculations and percentage growth, foundational skills in managing and understanding growth in financial contexts.

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