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19 friends went to a restaurant for a combined weekend dinner party. 13 of them spent Rs. 79 each on their dinner and the rest spent Rs. 4 more than the average expenditure of all the 19. What was the total money spent by them?

Correct Answer: Rs. 1536.07

Explanation:

Let average expenditure was Rs. R


13 x 79 + 6x(R + 4) = 19R


=> R = Rs. 80.84


Total money = 19 x 80.84 = Rs. 1536.07.


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