ICSE Class 8 Answered
Price of a commodity decreased by 10 % last year and increased by 20 % this year. find the percentage change in two years.
Asked by sangeetayadav030383 | 25 Jun, 2019, 11:55: AM
Expert Answer
Let price of a commodity be Rs. x.
Price of a commodity decreased by 10 % last year.
Hence, price of a commodity in this year is (100 - 10/100 × 100) = Rs. 90
Price of a commodity increased by 20 % this year.
Hence, price of a commodity in this year is 90 + 20/100 × 90 = Rs. 108
The percentage change in two years = 8/100 × 100 = 8%
Answered by Sneha shidid | 25 Jun, 2019, 12:15: PM
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