When the price of an article is increased by `15%` the number of articles aold decreases by `20%` What is the percentage change in the sales revenue? (Sales revenue = piece of each article X number of articles sold).A. `5%` increaseB. `3%` decreaseC. `8%` increaseD. `8%` decrease

When the price of an article is increased by `15%` the number of artic

1.	When the price of an article is increased by `15%` the number of articles aold decreases by `20%` What is the percentage change in the sales revenue? (Sales revenue = piece of each article X number of articles sold).A. `5%` increaseB. `3%` decreaseC. `8%` increaseD. `8%` decrease
Answer» Correct Answer - D (i) Let the original price be Rs. 10x and the number of articles sold be 10y. (ii) Assume the price of each article as Rs. 100 and number of articles as 100. (iii) Now, price of each article is Rs.115 and the number of articles sold is 80. (iv) Now, find the sales revenues initially and after the change.

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When the price of an article is increased by `15%` the number of articles aold decreases by `20%` What is the percentage change in the sales revenue? (Sales revenue = piece of each article X number of articles sold).A. `5%` increaseB. `3%` decreaseC. `8%` increaseD. `8%` decrease

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