document.write( "Question 629178: An urn contains 7 one-dollar bills, 5 five-dollar bills, and 3 ten-dollar bills. A person reaches in and takes a bill out, then reaches in and takes another one out (without replacing the first one).\r
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Algebra.Com's Answer #396081 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "An urn contains 7 one-dollar bills, 5 five-dollar bills, and 3 ten-dollar bills. 15 bills in ALL
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document.write( " two bill drawn without replacement
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document.write( "P($5 then $1) = 
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document.write( "P(sum is $15) = P($5 then $10) + P($10 then $5) = 
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document.write( "Re: TY, the format on this site doesn't allow for tree diagrams.
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document.write( "However there are 15C2  or 105 ways of chosing 2 cards: (15 ways for each $1)
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