Question

21. The price of an article decreased by 20% as a result of which the sale increased by 10%, What will be
effect on the total revenue of the shop?
(a) 10% increase
(b) 12% increase
(0) 12% decrease
(d) 10 decrease
(e) None of these​

Answer 1

Step-by-step explanation:

-20+10-20×10/100

-10-2 = -12 decrease