Respuesta :

Basically, we need to use the formula provided:

[tex]I=PRT[/tex]

Where:

P = Principal (starting) = $1200

Rate = 3% = 0.03

Time = 1

[tex]\begin{gathered} I=1200\times0.03\times1 \\ I=36 \end{gathered}[/tex]

Hannah earns $36 in interest after 1 year