8 units
(This is how I get the answer)
Answer:
total is (12-4=5(^19 <6>) THIS IS MY ANWER
If you add up 57+23=80 40+40=80 so 40 is the answer they will have the same amount Alice gets 40 and her sister gets 40
3 = 379.25
4 = 1587.50
5 = 198.88
6 = 1217.50
7 = 1788.20
8 = 1408
9 = 205
10 = 1516
11 = 2034
12 = 880
13 = 1994.57
14 = 1157.77
15 = 38812.50
remember to round the numbers, and also write random numbers everywhere so it looks like you did it.