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P5 Mathematics

Question post on Thu, 13/09/2018 1:30pm

Hi, please help to solve this question. Thanks.

THW · Answer 1 · Post on Thu, 13/09/2018 5:45pm

** This is the corrected version.

I made a mistake in the price for 2 books in the earlier version.

THW · Answer 2 · Post on Thu, 13/09/2018 5:45pm

** This is the corrected version.

I made a mistake in the price for 2 books in the earlier version.