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September 21, 2014

September 21, 2014

Posted by **Sam** on Tuesday, November 22, 2011 at 11:34pm.

- math -
**Reiny**, Wednesday, November 23, 2011 at 12:26amhow about making a Venn diagram using 2 intersecting circles.

Place .55 in the intersection of the two.

Prob of passing math is .7 , but you already have put .55 in the math circle, that leaves .15 to go in the non-overlapping part of math

label the non-overlapping part of chemistry as x

then

x = .55 + .15 = .95

x = .25

so prob of passing chemistry is .55 + .25 = .8

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