The amount of interest is $252. The equations or represent the relation relationship between p, (r), (t) and (i).
The formula of simple interest is
Where, principal amount (p), rate of interest (r), period of investment in years (t), and interest earned (i).
The principal amount is $1,400, interest rate of 6% and the time period of 3 years.
The amount of interest is
Therefore the amount of interest is $252.
The equations or represent the relation relationship between p, (r), (t) and (i).