D has the commutative property because it just flip flopped the numbers.
Answer:
Here is the solution. Hope it helps.
There ar 4persons so each will pay
![\\ \sf\longmapsto \dfrac{83.90}{4}=20.975](https://tex.z-dn.net/?f=%5C%5C%20%5Csf%5Clongmapsto%20%5Cdfrac%7B83.90%7D%7B4%7D%3D20.975)
Only two persons have spent more money than everyone average i.e mia and Jasmin.
Now
- Mia has-28.47
- Jasmin has=20.99
Mia left more money so she saved most money.
you have a 1/6 probability of rolling a 6
so for 3 6's it would be
1/6 x 1/6 x 1/6 = 1/216