Answer:
a,b,c,d,e
a,b,d,c,e
a,b,d,e,c
b,a,d,e,c
b,d,a,e,c
b,d,e,a,c
Step-by-step explanation:
We are given the letters:
2
We write the possible permutations of 3 letters from the given list:
3
Because order is not important in a combination we cross out the duplicate pairs:
4
50$
A boy can write one page in one minute