If 3/8 of the distance has been covered, there is a remaining of 5/8 of the distance to complete the trip.

If 3/8 of the distance equals to 24.1 miles, to find the remaining 5/8:
24.1
÷ 3 × 5 = 40.2 (rounded to the nearest decimal)
45000 x 4 = 180,000
180,000 * 5 = 900,000 ml in 5 days
1 liter = 1000 ml
900,000 / 1000 = 900 liters of water
Answer:
x = 3
Step-by-step explanation: