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06-09-2019
Mathematics

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Mark sells his high-tech equipment for €400 at a loss of 20%. What did it cost him?
Please help by step by step solution.

Respuesta :

harpazo harpazo

06-09-2019

100% - 20% = 80%.

400 is 80% of what number?

Let n = the original price.

400 = 0.80n

400/0.80 = n

€500 = n

Understand?

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