Answer:
20
Step-by-step explanation:
I+I+X+I+I+I+IX-IV
1+1+10+1+1+1+9-4
83
VISITOR= VII = 7
EXPIRIENSING= XIII=13
SIX= IX= 9
LIVE= LIV= 54
7+13+9+54=83
He invested $345.00 each account
15m2 is the answer my friend.....