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Mathematics 8 Online
OpenStudy (anonymous):

a certain game show has a container filled with balls. Green balls are worth $500, black-$250, red-$450, and yellow-$50. If the container has 12 green, 14 black, 6 red, and 20 yellow balls, what is the probability that a ball that pops out of the container is $250?

OpenStudy (phi):

which color do you have to pick ?

OpenStudy (anonymous):

idk

OpenStudy (anonymous):

Black because it asks " what is the probability that a ball that pops out of the container is $250?"

OpenStudy (phi):

which color is worth 250 ?

OpenStudy (anonymous):

red

OpenStudy (phi):

red-$450

OpenStudy (anonymous):

It says Red is worth $450

OpenStudy (anonymous):

You're looking for black.

OpenStudy (anonymous):

ok

OpenStudy (phi):

next (assuming you understand a black ball) how many balls total are there ?

OpenStudy (anonymous):

250

OpenStudy (anonymous):

12 + 14 + 6 + 20 = ?

OpenStudy (phi):

250 is a "cost" count the number of balls

OpenStudy (anonymous):

oops i mean 14

OpenStudy (phi):

14 is the number of black balls. we will need that. but we also need the number of *all* the balls

OpenStudy (anonymous):

i got 7/26

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