document.write( "Question 424563: Show all work. Mary purchased a package of 20 different plants, but she only needed 16 plants for planting. In how many ways can she select the 20 plants from the package to be planted? \n" ); document.write( "
Algebra.Com's Answer #295914 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Show all work. Mary purchased a package of 20 different plants, but she only needed 16 plants for planting. In how many ways can she select the 20 plants from the package to be planted?
\n" ); document.write( "---
\n" ); document.write( "Note: # of ways of selecting 16 is the
\n" ); document.write( "same as # of ways of not selecting 4.
\n" ); document.write( "----
\n" ); document.write( "20C16 = 20C4 = (20*19*18*17)/(1*2*3*4) = 4845
\n" ); document.write( "=================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );