A blood bank needs 15 people to help with a blood drive. 20 people have volunteered. Find how many different groups of 15 can be formed from the 20 volunteers.

15,504 different groups

Step-by-step explanation:

if they only have 20 patients then there can only be 1 group of 15 people! hope this helps

Step-by-step explanation:

in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

happy to

multiple all that

step-by-step explanation:

27×17