Ex 8.2, 9 - Arun bought a pair of skates at a sale where the discount

Ex 8.2, 9 - Chapter 8 Class 8 Comparing Quantities - Part 2

 

  1. Chapter 8 Class 8 Comparing Quantities
  2. Serial order wise

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 = ๐‘ฅ Discount = Marked Price โˆ’ Sale price = ๐‘ฅ โˆ’ 1600 Now, Discount Percentage = ๐ท๐‘–๐‘ ๐‘๐‘œ๐‘ข๐‘›๐‘ก/(๐‘€๐‘Ž๐‘Ÿ๐‘˜๐‘’๐‘‘ ๐‘ƒ๐‘Ÿ๐‘–๐‘๐‘’) ร— 100 20 = (๐‘ฅ โˆ’ 1600)/๐‘ฅ ร— 100 20x = 100 (๐‘ฅ โˆ’ 1600) 20x = 100x โˆ’ 160000 20x โˆ’ 100x = โˆ’160000 โˆ’80x = โˆ’160000 80x = 160000 ๐‘ฅ = 160000/80 ๐‘ฅ = 2000 โˆด Marked Price = Rs 2000

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.