This question type show the percentage changes at every step of the "internal transfer" that happens between 2 values.
Such questions are common in Paper 2 of P6 Prelim exams.
Calculator usage is allowed.
Shane and Kirsten have a total of $8640 at first.
Shane gave Kirsten some of his money and Kirsten's amount increased by 60%.
Kirsten then gave Shane some of her money and Shane's amount increased by 30%.
Then, Shane gave Kirsten some of his money and Kirsten's amount increased by 80%.
Find the percentage increase of the amount of Kirsten's money.
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