The output of a factory was increased by 15% to keep up with rising demand. To handle the holiday rush, this new output was increased by 20%. By approximately what percent would the output now have to be decreased in order to restore the original output?	Choose the correct choice.
A) 20%	B) 27%	C) 30%	D) 32%	E) 79%
The original output increases by 15% and then 20%.   Total % change = a + b + ab/100   Total % change = 15 + 20 + 15*20/100= 
<gadget id="calculator">15 + 20 + 15*20/100</gadget>
<output>38</output>
38%   Now, you want to change it to 0, so,   0= 38 + x + 38x/100   x = -38(100)/138 = 27% approximately   Answer is 27%
<result>B</result>
The output of a factory was increased by 15% to keep up with rising demand. To handle the holiday rush, this new output was increased by 20%. By approximately what percent would the output now have to be decreased in order to restore the original output?