In a hostel there were 100 students. To accommodate 20 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 options:
A) 3800
B) 4800
C) 5100
D) 5300
E) 5400
100x + 400 = 12(x – 5)   x = 50   100 * 50 + 400= 
<gadget id="calculator">100 * 50 + 400</gadget>
<output>5_400</output>
5400   5400)
<result>E</result>
In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?