In the question type below, 2 values undergo percentage increase and decrease with one of the decrease value given. The resulting ratio is also given at the end.
Such questions are common in Paper 2 of P6 exams.
Caculator usage is allowed.
Wendy has a collection of stickers and ribbons.
She added more stickers to her collection and sold 2112 ribbons away.
This resulted in a 20% increase in her sticker collection and
a 44% decrease in her ribbon collection.
The ratio of stickers to ribbons was 5:4 at the end.
How many stickers did she have in her collection at first?
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