We have the next information
1/6 of the distance in 3/7 of the hour
x of the distance in 1 hour
x is the fraction of the distance in 1 hour
[tex]x=\frac{\frac{1}{6}}{\frac{3}{7}}[/tex][tex]x=\frac{1\cdot7}{6\cdot3}=\frac{7}{18}[/tex]the fraction 7/18 of the distance in one hour