anonymous
  • anonymous
there are 200 seniors and 100 womens invited to a party, if one women, will shake hands with a senior for 2 times, and if everyone should handshake atleast one time, (seniors shake hands with other seniors and womens shake hands with outher seniors too) how many handshakes would be in that party??
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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amistre64
  • amistre64
senior to senior; eh.... 200(199)/2
amistre64
  • amistre64
well, lets try that with the total for starters; 300(299)/2 is everyone shaking hands once
anonymous
  • anonymous
yes

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More answers

amistre64
  • amistre64
44850 for one go around then
amistre64
  • amistre64
then each woman has to shake hands with 200 old people again; so 100(200)
anonymous
  • anonymous
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?
amistre64
  • amistre64
thats a bit much work that way; total to total is 1 handshake per everyone right?
anonymous
  • anonymous
yeea
amistre64
  • amistre64
300(299)/2 = total round of hands once for everyone add 200(100) for the additional hands for the 100 womens
anonymous
  • anonymous
ok
amistre64
  • amistre64
44850 20000 ------- 64850 total in all
anonymous
  • anonymous
kk
amistre64
  • amistre64
makes sense?
anonymous
  • anonymous
yess now we do 64850 - a n b??
amistre64
  • amistre64
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
amistre64
  • amistre64
lets try the everyone shakes with everyone part on a small scale now...
anonymous
  • anonymous
ok
amistre64
  • amistre64
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
amistre64
  • amistre64
300 total people shake hands: 300(299) -------- = total hands 2
amistre64
  • amistre64
44850 <- total hands for all peoples once 20000 <- total extra for the women hands to seniors ------- 64850 <- total in all
anonymous
  • anonymous
okay got it ^^
anonymous
  • anonymous
thanks you much ^^
amistre64
  • amistre64
youre welcome :)
anonymous
  • anonymous
and can you help me about my that questiontoo?
anonymous
  • anonymous
lol have some problems with my browser i can't copy link ...
amistre64
  • amistre64
type it up in a new post and lets see
anonymous
  • anonymous
well ok , but someone explained me that but i couldn't got the process of deriative well

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