In a hostel there were 100 students. To accommodate 30 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 most appropriate option:	A) A)Rs.5800	B) B)Rs.5480	C) C)Rs.5400	D) D)Rs.5900	E) E)Rs.3900
100x + 400   = 130(x – 5)   x = 35   100 *35 + 400= 
<gadget id="calculator">100 *35 + 400</gadget>
<output>3_900</output>
3900   Answer:Rs.3900
<result>E</result>
In a hostel there were 100 students. To accommodate 30 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?