Question 1015575

There are 8 people hosting a party. Three people are needed to stay and clean up after the party is over. How many ways can the clean-up crew be chosen?

(Hint: 8C3)
<pre>{{{""[8]C[3]}}} = {{{(matrix(1,1,"8!"))/(matrix(1,2,"3!","(8 - 3)!"))}}} =  {{{(matrix(1,1,"8 * 7 * 6 * 5!"))/(matrix(1,2,"3!","5!"))}}} = {{{(matrix(1,2,8 * 7 * 6, cross("* 5!")))/(matrix(1,2,"3!",cross("5!")))}}} = {{{(matrix(1,1,8 * 7 * 6))/(matrix(1,1,3 * 2))}}} = {{{(matrix(1,1,8 * 7 * cross(6)))/(matrix(1,1,cross(3 * 2)))}}} = {{{highlight(highlight_green(highlight(56)))}}}