Four students from 30 member math club will be selected to organize a fundraiser how many groups of 4 students are possible

Question

asked Jan 12, 2017 59.7k views

1 Answer

Pierre L · Answer 1 · 2017-01-16T16:45:22+0000

you have to do 7 times 4 to get 28 and you can't do 8 X 4 because it equals 32 so you have to do 7 times 4 = 28 so you can do 7 groups