Permutation is considered an ordered combination. The general formula for this is:
P(n, r) = n! (n-r)!
where:
n=
519/6=86.5
915/7=130.7142
439/7=62.7142
812/9=90.2222
so i think its the 1st on but i may be wrong.
Answer:
6/15-3/10
Step-by-step explanation:
3x2/15=6/15
-6 + 5
= -1.
Regards............
You divide 16/4 and get 4.
Each friend will get 4 snowballs.