The salary of a worker is first increased by 25% and afterwards reduced by 25%. What is the net change in the worker's salary?	Choose the most appropriate option:
A) 3.25% increase
B) 3.25% decrease
C) 6.25% increase
D) 6.25% decrease
E) no change
Let x be the original salary.   The final salary is 0.75(1.25x) = 0.9375x   The answer is 6.25% decrease.
<result>D</result>
The salary of a worker is first increased by 25% and afterwards reduced by 25%. What is the net change in the worker's salary?