Answer :
Answer:
21 miles
Step-by-step explanation:
Jeff drove [tex]=\dfrac{1}{2}[/tex] of the trip
Jason Joe drove [tex]=\dfrac{1}{4}[/tex] of the trip
Together Jeff and Jason Joe drove [tex]=\dfrac{1}{2}+\dfrac{1}{4}=\dfrac{2}{4}+\dfrac{1}{4}=\dfrac{3}{4}[/tex] of the trip
All trip [tex]=1[/tex]
Remaining trip [tex]=1-\dfrac{3}{4}=\dfrac{4}{4}-\dfrac{3}{4}=\dfrac{1}{4}[/tex]
Susan and Sharon divided the rest of the drive equally, so
Susan drove = Sharon drove [tex]=\dfrac{1}{4}:2=\dfrac{1}{4}\cdot \dfrac{1}{2}=\dfrac{1}{8}[/tex] of the trip.
The entire trip was 168 miles, then
Sharon drove [tex]=\dfrac{1}{8}\cdot 168=21\ miles[/tex]