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mathstudent2000
2013-08-15 03:12:08

got it

bobbym
2013-08-15 03:09:48

The problem was that I thought that each of the 4 students needed at least one vote. This is untrue, some could get 0 votes.

mathstudent2000
2013-08-15 03:08:36

thanks

bobbym
2013-08-15 03:05:50

Hi;
I see the problem, try this

mathstudent2000
2013-08-15 02:58:21

yes

bobbym
2013-08-15 02:57:08

They said number 3 is wrong?

mathstudent2000
2013-08-15 02:56:01

sorry, i mean no.3

bobbym
2013-08-15 02:54:24

Please verify 1 and 3 before we go any further.

mathstudent2000
2013-08-15 02:53:50

for no.2 i tried it but its wrong

bobbym
2013-08-14 18:35:57

Hi;

mathstudent2000
2013-08-14 13:42:06

i solved no.2 but i need some hints on 1 and 3

mathstudent2000
2013-08-14 13:36:28

what is a diophantine equation?

bobbym
2013-08-14 12:16:09

Hi;

Those can be handled with generating functions or solutions to a diophantine equation using x's and dashes.

mathstudent2000
2013-08-14 10:12:31

1.We have 8 pieces of strawberry candy and 7 pieces of pineapple candy. In how many ways can we distribute this candy to 4 kids?

2. In how many ways can we distribute 13 pieces of identical candy to 5 kids, if the two youngest kids are twins and insist on receiving an equal number of pieces?

3. 4 students are running for club president in a club with 50 members. How many different vote counts are possible, if everyone is required to vote?