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Mathematics 10 Online
OpenStudy (anonymous):

Thanks you!

OpenStudy (anonymous):

or if @KingGeorge you have time?

mathslover (mathslover):

Did you try to attempt this?

OpenStudy (anonymous):

Yeah I keep coming up with 20, but I know that I am doing something wrong. I am just going through with the ones I am stuck on with you guys. There are some I get really quick, but some I don't.

OpenStudy (anonymous):

I mean I came up with 120

OpenStudy (anonymous):

How am I counting this wrong?

OpenStudy (anonymous):

I hate that I just don't get them quickly like the others.

OpenStudy (anonymous):

240? All I did on this was divide 240 by 40. Thinking that each first, second and third got 6. Does this make sense? @mathslover

OpenStudy (kinggeorge):

I've actually got to leave right now. I'm sure @mathslover can handle it.

mathslover (mathslover):

Sure KG. Thanks!

OpenStudy (anonymous):

definitely! thanks though @KingGeorge

mathslover (mathslover):

are you given with any options Bison?

OpenStudy (anonymous):

yes, just sec

OpenStudy (anonymous):

240 1,1480 12,640 59,280

mathslover (mathslover):

Fine, actually it gives me confidence if I see my answer in the options list :D Okay,So, we have : Entries eligible for 1st place => 40 Entries then eligible for 2nd place => 39 Entries eligible for 3rd place => 38 So, the total possibilities for the entries to finish as 1st, 2nd and 3rd place will be : 40 * 39 * 38 = 59,280 .

OpenStudy (anonymous):

:) haha awesome. Can't wait til one day I am a helper rather than a asker.

OpenStudy (anonymous):

Ok I am printing your notes. Thank you for the clear explanation too. It REALLY helps so much.

OpenStudy (anonymous):

Yeah looking at it I would of never gotten this. Thank you. The 39, 38

mathslover (mathslover):

:)

OpenStudy (anonymous):

Thank you! Thank you!

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