Answer:
1. Total Trip Distance = 190 kilometers
2. To complete the trip, 38 more kilometers left
Explanation:
1.
Let total trip be x kilometers.
So we can say
"152 is
of total" --- this into equation is:

Total trip is 190 km.
2.
Since already driven 152, to complete 190, you have to drive
kilometers more.
So, 38 more kilometers to complete the trip.