Lauren, manuel, nick, opal, and pat are forming a group of two to work on a drama production. list the different combinations of students that are possible using the first initial of each name.

Okay so we have Lauren, Manuel, Nick, Opal, and Pat.
1) LMNOP
2) LNOPM
3) LOPMN
4) LPMNO
5) MLNOP
6) MNOPL
7) MOPLN
8) MPLNO
9) NOPLM
10) NPLMO
11) NLMOP
12) NMOPL
13) OPLMN
14) OLMNP
15) OMNPL
16) ONPLM
17) PLMNO
18) PMNOL
19) PNOLM
20) POLMN
These are all the combinations for the first initials of the first name.
There is 20 possible combinations.

If you divide 0.1 and 0.6 you wii get 0.166666 which rounds to .167 which is answer b