Answer:
2/7
Step-by-step explanation:
on Saturday, the family drove 2/7 of the total distance
distance remaining after Saturday's trip = 1 - 2/ 7 = 5/7
On Sunday, they drove 2/5 of the remaining distance = [tex]\frac{2}{5} x \frac{5}{7} = \frac{2}{7}[/tex]