If the salary of an employee is first increased by 20% and the decreased by 12%, then what is the change in his salary in percent? Choices.
A) 5.9 % increase
B) 5.6 % increase
C) 4.6 % increase
D) 1.6 % increase
E) 5.7 % increase
Explanation:   Let the first change be denoted by ‘x’ and the second by ‘y’.   The net change is given by {x + y + (x*y)/100}%   Therefore, the net change in salary is {20 + (-12) + (20*(-12))/100}   = 8 – 2.4   = 5.6% (as the sign is +ve, the change is increase)   ANSWER: 5.6 % increase
<result>B</result>
If the salary of an employee is first increased by 20% and the decreased by 12%, then what is the change in his salary in percent?