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I used algebra, hope you understand!
Date Posted:
7 years ago
Thank you. I am able to follow your reasoning; however, just curious if the algebra method is allowed in solving P6 maths problem sums in exams.
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Alan $1500
Bill $450
Bill $450
Date Posted:
7 years ago
Thank you. I can follow your reasoning up to the statement on 9 units. I don't quite follow the logic for 8 units onwards.