Tough and Tricky questions: Percents.
Over the course of a year, a certain microbrewery increased its beer output by 50 percent. At the same time, it decreased its total working hours by 0 percent. By what percent did this factory increase its output per hour? Choose the correct choice from the following answers:	A) 125	B) 130	C) 150	D) 155	E) 160
Lets assume the initial production was 100 litres of beer for 100 hr.   With the 50% increase the total amount of beer production will be 150 litres   100hr ----&gt; 100 lts   1hr -----&gt; 1 lts   100hr -----&gt; 150 lts   1hr -----&gt; 1.5 lts   Total Increase in production for 1 hr = 150%   Answer 150
<result>C</result>
Tough and Tricky questions: Percents.
Over the course of a year, a certain microbrewery increased its beer output by 50 percent. At the same time, it decreased its total working hours by 0 percent. By what percent did this factory increase its output per hour?