unfilled ... 8C6
filled ... 7C6
different assortments ... 8C6 * 7C6
At Dora's Donut Shop, Dora makes 15 different varieties of donuts. Seven of these varieties are filled with jelly or cream. Officer Sweetooth was sent to Dora's shop to choose a dozen donuts, all different, with six filled and six unfilled. How many different assortments might he choose?
1 answer