Answer:
[tex]\frac{3}{8}[/tex] a mile
Step-by-step explanation:
[tex]\frac{1}{2} =\frac{4}{8}[/tex]
Sophia walked [tex]\frac{4}{8}[/tex] of a mile
Layla walked [tex]\frac{7}{8}[/tex] of a mile
[tex]\frac{7}{8} -\frac{4}{8} =\frac{3}{8}[/tex]
Layla walked [tex]\frac{3}{8}[/tex] more of a mile than Sophia
