Respuesta :

Answer:

8%

Step-by-step explanation:

R = 100 x I/P x t

Given

Interest I = $960

Principal P = $3000

Time t = 4 yrs

Rate R = ?

R = 100 x 960 /3000 x 4

Multiply through

R = 96000/12000

R = 8

R = 8%