Answer:
On Sunday they traveled=1/7 of the total distance
Explanation:
Total distance to be traveled=x
On Saturday they covered=(5/7)x
Remaining distance=x-(5/7)x=(2/7)x
Sunday=1/2 of the remaining distance=(1/2)×(2/7)x=(1/7)x
On Sunday they traveled=1/7 of the total distance(x)