Answer
2236.50 dollars
Work Step by Step
I=PRT
Let P=2100dollars, R=13%, T = 6 months
6 months =$\frac{6}{12}$year = $\frac{1}{2}$ = 0.5
I = 2100 $\times$13% $\times$ 0.5
Write 13% as a decimal
I = 2100$\times$0.13$\times$ 0.5
Multiply
I = 136.50
The simple interest is 136.50 dollars.
total amount = principal + interest
total amount = 2100+136.50 = 2236.50 dollars
Total amount after 6 months will be 2236.50 dollars