When the price of a product was decreased by 10%, the number sold increased by 30%. What was the effect on the total revenue?

When the price of a cycle is decreased by 20%,then the selling is increased by 20%. What is the impact on the receipt of the revenue?

The price of an article decreased by 20% as a result of which the sale increased by 10%. What will be the effect on the total revenue of the shop?

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).