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08-03-2017
Mathematics

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John is arguing that they should use the following expressions to calculate the final cost of this item: (20-20•0.15)+(20-20•0.15)•0.05.

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bravo49 bravo49

08-03-2017

If they use (20-20x0.15)+(20-20x.015)x0.05 the final cost would be $34.05

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