When the price of article was reduced by 20% its sale increased by 80%. What was the net effect on the revenue?
44% increase
44% decrease
66% increase
75% increase
Explanation:
here, x=80 and y=20
Successive Percentage Change = (x - y - $\dfrac{xy}{100}) %$
= (80 - 20 - $\dfrac{80 \times 20}{100}) %$
= 44%
here, x=80 and y=20
Successive Percentage Change = (x - y - $\dfrac{xy}{100}) %$
= (80 - 20 - $\dfrac{80 \times 20}{100}) %$
= 44%