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Mathematics 20 Online
OpenStudy (anonymous):

Tara played softball,hockey and volleyball during her four years in college. She played no more than 2 sports a year and played each sport for at least 2 years. She never played softball and volleyball during the same year, never played volleyball and hockey together, and never played hockey during consecutive years. what us the GREATEST number of years Tara could played hockey? A.0 B.1 C.2 D.3 E.4

OpenStudy (anonymous):

from my opinion this somehow related to venn diagrams MAYBE

OpenStudy (anonymous):

Okay then can you help me using a venn diagram or anything else u want

OpenStudy (anonymous):

can you help me

OpenStudy (anonymous):

Please Help Me

OpenStudy (anonymous):

I just came back. Took a look at your problem, and I can help. Are you still there?

OpenStudy (anonymous):

I have the solution, and more importantly, I can show you how to get it yourself, so just contact me if you want to revisit this question. Since you are not here, I'll move on.

OpenStudy (anonymous):

Ok, you there?

OpenStudy (anonymous):

Yes rite there I see you

OpenStudy (anonymous):

ok. here goes.

OpenStudy (anonymous):

So what do U I do

OpenStudy (anonymous):

i FOUND YOU

OpenStudy (anonymous):

First get a piece of paper and make 4 underlines next to each other like this: _ _ _ _.

OpenStudy (anonymous):

okay got it

OpenStudy (anonymous):

Those represent the years of freshman, sophomore, etc.

OpenStudy (anonymous):

kay

OpenStudy (anonymous):

Next, start with hockey (H). She doesn't play H in consecutive years, so filling in H, the picture will look like H _ H _ or H _ _ H or _ H _ H. It doesn't matter, they will all work the same. They are separated because of the restriction that "no consecutive" be followed.

OpenStudy (anonymous):

kay i understand that

OpenStudy (anonymous):

And you have to have 2 H's because she plays all sports in at least 2 years. So, one of those pictures will apply. And actually, you can do the problem with all the pictures.

OpenStudy (anonymous):

okay but why dont you pick one your the one helping me :)

OpenStudy (anonymous):

Actually, one has to do the problems separately for all diagrams for the proof, but we'll just go with the first one because the other diagrams work the same way.

OpenStudy (anonymous):

kay

OpenStudy (anonymous):

wait if im not there maybe im busy so just keep on riting i will be back

OpenStudy (anonymous):

what happens next????:)

OpenStudy (anonymous):

So now, she never plays V in the same year as H, so we have H V H V so far because she plays V in at least 2 years.

OpenStudy (anonymous):

ya

OpenStudy (anonymous):

then what

OpenStudy (anonymous):

is that the anser

OpenStudy (anonymous):

just curious

OpenStudy (anonymous):

So now, she plays S in at least 2 years, but never more than 2 sports in the same year, so here we have lots of possibilities, but you don't have to go through all of them because we are logically finished.

OpenStudy (anonymous):

yay thanks for the anser BIG HUGS THANK YOU A MILLION TIMES bYE!!!!!

OpenStudy (anonymous):

For example, she could be doing something like HS V HS VS.

OpenStudy (anonymous):

so the answer is 2

OpenStudy (anonymous):

Softball doesn't matter. It's just there to try to confuse. So, answer is 2.

OpenStudy (anonymous):

FUN! Nice working with you

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

Bye

OpenStudy (anonymous):

have a great weekend

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