Answer:
1.875 years or 1.9 if rounded to nearest tenth
Explanation:
8% simple interest of $800 is $64. you know that 1% will be $8 per year and that 2 years of 8% simple interest will be $128. If you subtract 8 from 128, it is $120. So it will take him 1.875 years or
![1(7)/(8)](https://img.qammunity.org/2023/formulas/mathematics/college/s4b4nu5icbhh100rdqc8dy8x9ycv8na4h6.png)