Respuesta :
Answer:
500 miles
Step-by-step explanation:
80% is converted to its decimal form 0.8
Multiply 0.8 times "x" which is the unknown total distance of the trip (80% of the total trip) to get 400 because 80% of the trip is 400 miles. Then find x
0.8x = 400
400/0.8 = x
500 = x