The number of miles that Kevin has to hike to complete the trail is 1.05 miles.
How many more miles does Kevin have to hike?
Percentage is the fraction out of an amount that is usually expressed as a number out of hundred.
The first step is to determine the total length of the trail : 4.2/0.8 = 5.25 miles
Total miles left = 5.25 - 4.2 = 1.05 miles
To learn more about percentages, please check: https://brainly.com/question/25764815
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