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Wiki User
Answered 2013-01-31 15:13:37

Start with 100. Subtract 1 from that. Then subtract 2 from the answer. Next 3 from the answer and so on.

More generally,

Un = 100 - n*(n-1)/2 for n = 1, 2, 3, . . .

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Charlita Entag
Answered 2020-12-16 06:50:37

79

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Anonymous
Answered 2020-09-27 21:24:49

Guys just need answers how ya gonna get smart ya selfs

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Anonymous

2020-10-13 18:48:11

Ok, ok so it continues, right? - iโ€™m from grade 4

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Anonymous
Answered 2020-09-27 21:24:18

quit cheating

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Anonymous
Answered 2020-09-29 14:03:03

its umm

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Anonymous
Answered 2020-10-13 11:20:17

Not sure

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85+85=170+90=260+100=360/4=90 Problem solved.


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