Respuesta :

First, converting R percent to r a decimal
r = R/100 = 3.875%/100 = 0.03875 per year,
then, solving our equation

I = 10000 × 0.03875 × 5 = 1937.5 
I = $ 1,937.50

The simple interest accumulated
on a principal of $ 10,000.00
at a rate of 3.875% per year
for 5 years is $ 1,937.50.
l=prt 

t = I/(pr)

hope that  helps