Question

A small acting club has 4 members. Three of the members are to be chosen for a trip to see a broadway play. How many different 3- member groups are possible

Answer 1

8 out of 16 chance count how many (A) Then count the (D) you have 4 (A) and 4 ( B) 4+4=8 Now count The letters or kids how many kids do you get in all lines vertically then count how many kids you get horizontally 16. Then you can take 12 ÷ 8 = 2 × 4= 8

ABCD
BADC
CDAB
DCBA

Answer 2

ABCD

abc
adc
abd
bcd

so 4?