9 men went to a restaurant for taking their snacks. Eight of them spent Rs.15 each on their snacks and the ninth spent Rs.8 more than the average expenditure of all the nine. What was the total money spent by them.

Rs 115

Rs116

Rs 144

Rs 178

Let the average expenditure of all the nine be RS.x Then, 15 × 8 + (x + 8) = 9x Therefore x = 16 Total money spent = 9x = RS.(9 × 16) = Rs.144

it was very helpful.

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