Before a salary increase, the weekly salary of a worker for 44 hours in a week was as much as the worker is paid now for 40 hours of work in a week. What is the percent increase in the worker's salary per hour?
Choose the correct choice from the following answers
A) 4	B) 6	C) 8	D) 10	E) 12
Let x be the original salary per hour.   Let y be the salary per hour after the increase.   40y=44x   y=(44/40)= 
<gadget id="calculator">(44/40)</gadget>
<output>11/10 = around 1.1</output>
1.1x   The salary increased 10%.   The answer is 10.
<result>D</result>
Before a salary increase, the weekly salary of a worker for 44 hours in a week was as much as the worker is paid now for 40 hours of work in a week. What is the percent increase in the worker's salary per hour?