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OpenStudy (anonymous):
SAT Question. --- A box contains only red pens and white pens. If one pen is removed at random, the probability that it is red is 1/5. AFter putting another 600 red pens in the box, the probability of selecting a red pen is 4/5. How many pens were originally in the box?
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OpenStudy (anonymous):
got it nvm.
OpenStudy (nincompoop):
laughing out loud
OpenStudy (anonymous):
maf 2 herd, eye got rekt.
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