An employer pays Rs.20 for each day a worker works and for felts Rs.3 for each day is ideal at the end of sixty days a worker gets Rs.280 . for how many days did the worker remain ideal?
Options
A) 10	B) 40	C) 30	D) 20	E) 50
Suppose a worker remained ideal for x days then he worked for 60-x days   20*(60-x)-3x=280   1200-23x=280   23x=920   x=40   Answer is 40.
<result>B</result>
An employer pays Rs.20 for each day a worker works and for felts Rs.3 for each day is ideal at the end of sixty days a worker gets Rs.280 . for how many days did the worker remain ideal?