Question

9) 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 expen-
diture of the hostel now?​

Answer 1

Answer:

In a hostel

Step-by-step explanation:

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Answer 2

Answer:

Explanation:

Let the expenditure on the 95 students be 'x'

Then,

95x + 500 = 120(x – 5)

95x + 500 = 120x - 600

120x - 95x = 1100

25x = 1100

=> x = 44

Therefore, total expenditure of the hostel becomes

95 x 44 + 500 = 4680.

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