Asked by Precious

A sum of money is shared among eleven(11) people, so that the first get #75, the next #225, and so on.
(a) how much money does the eleventh person get
(b) how much is shared altogether
Answered by PsyDAG
From what you have here, it seems that the preceding number is multiplied by 3. Looks like the 11th person gets a gigantic sum. I'll let you do the calculations.
Answered by oobleck
or, the sequence is arithmetic, and grows by 150 for each person, so the 11th person gets 75 + 10*250 = 2575
S11 = 11/2 (75+2575) = _____
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