When the price of an article is reduced by 15% the sales increases by 35% .The percentage change in the total amount of receipts is

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).

When the price of a radio was reduced by 20%, its sale increased by 80%. What was the net effect on the sale?

When the price of an item was reduced by 20% then its sale increased by x%. If there is an increase of 60% in the receipt of the revenue , then the value of x is :

When the price of cloth was reduced by 25% the quantity of cloth sold increased by 20%. What was the effect on gross receipt of the shop?

When the price of an article is increased by p%, then quantity of sales decrease by 10% but sales revenue increases by 10% Find p.

If 80 is reduced by 15% , find the decreased amount.