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Mathematics 21 Online
OpenStudy (anonymous):

here's a ques, can anybody help me out : _________________________ I place $20 in a box. So do you. Now the box contains $40, and we both know it. I sell the box to you for $30. And we both walk away with a $10 profit. ________________________________________ What do you think is it correct?

OpenStudy (anonymous):

its confusing! lil bit :D

OpenStudy (anonymous):

yes it is correct

OpenStudy (anonymous):

but i think one guy looses $10..what do you think?

OpenStudy (anonymous):

the guy that bought the box for 30 lost 10 bucks

OpenStudy (anonymous):

one guy paid 20 and 30 and got 40

OpenStudy (anonymous):

i'm sori i'm wrong....its not correct.....

OpenStudy (anonymous):

@joemath314159 yea thats wat i was thinking..

OpenStudy (anonymous):

he paid 20 into, then paid 30 for it, and got 40 back

OpenStudy (anonymous):

one guy loses 10 bucks

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

Medals for everyone :)

OpenStudy (xishem):

Well, once the box is sold to me for $30, an additional $30 is in the system, since the $40 already present is in the box. You place $20 in the box, so you have $-20. I place $20 in the box, so I have $-20 You gain $30 from me paying, so you have $+10, while I lose $30, putting me at $-50 Then I gain $40 from the box, putting me at $-10 No, it's incorrect.

OpenStudy (anonymous):

lol

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