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Three friends went to a hotel and had breakfast to their taste, paying 16, 17 and 21
respectively (0) Find their mean expenditure. (i) If they have spent 3 times the amount that
they have already spent, what would their mean expenditure be? (ii) If the hotel manager
offers 50% discount, what would their mean expenditure be? (iii) Do you notice any
relationship between the change in expenditure and the change in mean expenditure.​

Answer 1

Answer:

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