$23
Explanation:
15% of x = 3.45
= 15/100 = 3.45/x
x= 23
Answer:
19.55 $
3.45$×10=34.5=150% of his money overall
34.5÷3=11.5
11.5×2=23= 100% of his money
23-15%=19.55$
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