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saifoo.khan
 2 years ago
In a box of tickets,there are 50 blue tickets and 15 red tickets.after a certain number of red tickets are added to the box,the probability of randomly choosing a red ticket is 2/3.how many red tickets were added to the box?
saifoo.khan
 2 years ago
In a box of tickets,there are 50 blue tickets and 15 red tickets.after a certain number of red tickets are added to the box,the probability of randomly choosing a red ticket is 2/3.how many red tickets were added to the box?

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satellite73
 2 years ago
Best ResponseYou've already chosen the best response.3i bet you can do this

saifoo.khan
 2 years ago
Best ResponseYou've already chosen the best response.0I know we will make something equal to 2/3 and suppose the cards as x.

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.3add \(x\) red ones so you have a total of \(x+15\) red and \(65+x\) in the box ratio of red to total is \[\frac{15+x}{65+x}=\frac{2}{3}\]

saifoo.khan
 2 years ago
Best ResponseYou've already chosen the best response.0@satellite73 is already helping, thanks.

ParthKohli
 2 years ago
Best ResponseYou've already chosen the best response.0Okay. Sorry to interfere :)

saifoo.khan
 2 years ago
Best ResponseYou've already chosen the best response.0I got my memory back! :D

satellite73
 2 years ago
Best ResponseYou've already chosen the best response.3whew! you had me worried for a second
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