#### Answer

33.75 dollars

#### Work Step by Step

I=PRT
Let P=375dollars , R=18% ,T = 6 months
6 months =$\frac{6}{12}$year=$\frac{1}{2}$=0.5
I=375 $\times$18% $\times$ 0.5
Write 18% as a decimal
I = 375$\times$0.18$\times$ 0.5
Multiply
I = 33.75
The simple interest is 33.75 dollars.