Answer :
The simple interest formula is:
[tex]A=P\cdot(1+rt)[/tex]in which P is the principal, r is the rate of the loan and t is the time for the loan.
Then
[tex]\begin{gathered} A=7500\cdot(1+(0.1\cdot5)) \\ A=7500+3750 \\ A=11250 \end{gathered}[/tex]She will pay $11,250 for the chair