9 person went to a hotel for taking their meal. 8 of them spent ₹12 each on their meals and the 9th person spent ₹8 more then the average expenditure of all of them. What was the total money spent by all of them?

₹117

Let the average expenditure of all the nine be Rs. X

ATQ,

Then, 12 × 8 + (X + 8) = 9X

∴ X = 13 Total money spent = 9x

= Rs. (9 × 13)

= Rs. 117