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Last updated at Nov. 12, 2018 by Teachoo
Transcript
Ex 8.2, 9 Arun bought a pair of skates at a sale where the discount given was 20%. If the amount he pays is Rs 1,600, find the marked price. Given, Discount Percentage = 20% Sale Price = 1600 Let the marked Price = π₯ Discount = Marked Price β Sale price = π₯ β 1600 Now, Discount Percentage = π·ππ πππ’ππ‘/(ππππππ πππππ) Γ 100 20 = (π₯ β 1600)/π₯ Γ 100 20x = 100 (π₯ β 1600) 20x = 100x β 160000 20x β 100x = β160000 β80x = β160000 80x = 160000 π₯ = 160000/80 π₯ = 2000 β΄ Marked Price = Rs 2000
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