Answer:
Together they both hiked [tex]1\frac{1}{4}[/tex] miles
Step-by-step explanation:
Dylan hiked [tex]\frac{3}{4}[/tex] of a mile and Sonia hiked [tex]\frac{1}{2}[/tex] of a mile or [tex]\frac{2}{4}[/tex] of a mile. Add both together and you get [tex]\frac{5}{4}[/tex] or [tex]1\frac{1}{4}[/tex]
