Before a salary increase, the weekly salary of a worker for 26 hours in a week was as much as the worker is paid now for 20 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) 28 B) 30 C) 32 D) 34 E) 36
Let x be the original salary per hour.   Let y be the salary per hour after the increase.   20y=26x   y=(26/20)= 
<gadget id="calculator">(26/20)</gadget>
<output>13/10 = around 1.3</output>
1.3x   The salary increased 30%.   The answer is 30.
<result>B</result>
Before a salary increase, the weekly salary of a worker for 26 hours in a week was as much as the worker is paid now for 20 hours of work in a week. What is the percent increase in the worker's salary per hour?