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senior to senior; eh.... 200(199)/2
well, lets try that with the total for starters; 300(299)/2 is everyone shaking hands once
44850 for one go around then
then each woman has to shake hands with 200 old people again; so 100(200)
we should calculate senior to senior, women to women, senior to women and then we should sum then all and then we should eject something from this result,, but what?
thats a bit much work that way; total to total is 1 handshake per everyone right?
300(299)/2 = total round of hands once for everyone add 200(100) for the additional hands for the 100 womens
44850 20000 ------- 64850 total in all
yess now we do 64850 - a n b??
1 persons shakes 200 hands; 200 another person shakes the same hands; +200 another person shakes the same hands; +200 100 people shake the same 200 hands: 100(200) = 20000 handshakes for that part
lets try the everyone shakes with everyone part on a small scale now...
10 people shake each others hands; 10.987654321 <-10th person shakes hands with all; 9 hands 9.87654321 <- 9th person shakes hands with all, except for the 10th, its already been done; so, 8 hands 8.7654321 <- same logic; 7 hands 7.654321 6.54321 5.4321 4.321 3.21 2.1 1.0 add up all the shakes? 9+8+7+6+5+4+3+2+1+0 = 45 total 10(9) 90 ---- = --- = 45 hands total, same amount right? 2 2
300 total people shake hands: 300(299) -------- = total hands 2
44850 <- total hands for all peoples once 20000 <- total extra for the women hands to seniors ------- 64850 <- total in all
okay got it ^^
thanks you much ^^
youre welcome :)
and can you help me about my that questiontoo?
lol have some problems with my browser i can't copy link ...
type it up in a new post and lets see
well ok , but someone explained me that but i couldn't got the process of deriative well