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Ex 8.2, 10 - I purchased a hair-dryer for Rs 5,400 including 8% VAT

Ex 8.2, 10 - Chapter 8 Class 8 Comparing Quantities - Part 2
Ex 8.2, 10 - Chapter 8 Class 8 Comparing Quantities - Part 3

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Transcript

Ex 8.2, 10 I purchased a hair-dryer for Rs 5,400 including 8% VAT. Find the price before VAT was added. The price includes VAT means that bill amount has Price + VAT Given Amount Paid (Bill Amount) = 5400 Vat Percentage = 8% Let the Original Price = 𝑥 Tax Amount = Vat Percentage × Original Price = 8% × 𝑥 = 8/100 × 𝑥 = 8𝑥/100 Now, Bill amount = Original Price + Tax Amount 5400 = 𝑥 + 8𝑥/100 5400 = (100𝑥 + 8𝑥)/100 5400 = (108 𝑥)/100 (5400 × 100)/108 = 𝑥 (2700 ×100)/54 = 𝑥 (1350 × 100)/27 = 𝑥 (450 ×100)/9 = 𝑥 50 × 100 = 𝑥 5000 = 𝑥 ∴ 𝑥 = 5000 ∴ Original Price = Rs 5000

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.