document.write( "Question 529348: A box contains 7 red balls and 7 blue balls. If we choose three random balls, how many ways can we choose exactly 1 red ball? \n" ); document.write( "
Algebra.Com's Answer #349561 by stanbon(75887)\"\" \"About 
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A box contains 7 red balls and 7 blue balls. If we choose three random balls, how many ways can we choose exactly 1 red ball?
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\n" ); document.write( "# of ways to select 1 red ball: 7
\n" ); document.write( "# of ways to select 2 blue: 7C2 = 21
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\n" ); document.write( "# of ways when select 3 to select 1 red: 7*21 = 147
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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