In a hostel there were 100 students. To accommodate 10 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?	Choose the correct choice from the following answers:	A) A)Rs.5800	B) B)Rs.9900	C) C)Rs.5400	D) D)Rs.5900	E) E)Rs.5430
100x + 400   = 110(x – 5)   x = 95   100 * 95 + 400= 
<gadget id="calculator">100 * 95 + 400</gadget>
<output>9_900</output>
9900   Answer:Rs.9900
<result>B</result>
In a hostel there were 100 students. To accommodate 10 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?