The rate of interest charged to Glenda would be 5.18% upon the payment of her car in five annual installments.
The percentage of interest charged over the principal amount of loan or advances for a particular period of time, is known as the rate of interest of such loan.
The computation of rate of interest using the formula and given information will be,
[tex]\rm Rate\ of\ Interest= \dfrac{Interest}{Principal\ x\ Time}\ x\ 100\\\\\rm Rate\ of\ Interest= \dfrac{7150}{138000}\ x\ 100\\\\\rm Rate\ of\ Interest= 5.18[/tex]
Hence, the computation of the rate of interest is as aforementioned.
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