document.write( "Question 594458: how many ways can you make it a sandwich by choosing 4 of 10 ingredients \n" ); document.write( "
Algebra.Com's Answer #376890 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! how many ways can you make it a sandwich by choosing 4 of 10 ingredients \n" ); document.write( "---------------------- \n" ); document.write( "If it's 4 different ingredients: \n" ); document.write( "10*9*8*7 = 5040 ways \n" ); document.write( "---- \n" ); document.write( "But, ingred's ABCD is the same as ACDB, so divide by 4*3*2*1 \n" ); document.write( "--> 210 ways \n" ); document.write( " \n" ); document.write( " |