20 articles box is purchased for 5400 rupees after 20% discount find the cost price of each article
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Let
cost of 20 boxes be Y
20 boxes cost after 20% discount = 5400
=> Y -20% of Y = 5400
=> Y - 20/100 × Y = 5400
=> Y - 1/5 × Y =5400
=> 4/5 Y = 5400
=> Y = 5400 ×5/4
=> Y = 6750
Cost of 20 boxes =Rs 6750
Cost of 1 box = 6750 ÷ 20
=Rs 337.5
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