We can convert 0.125 into fraction and compare with the options.
[tex]0.125=\frac{125}{1000}=\frac{5\cdot25}{5\cdot200}=\frac{5\cdot5}{5\cdot40}=\frac{5}{5\cdot8}=\frac{1}{8}[/tex]So, the write answers are:
• Grant has 1/8 of his homework left to do.
,• Grant only has 1 of his 8 homework questions left to do.