
Concept explainers
To find: the number of miles of the return trip

Answer to Problem 12PPS
The return trip was 536 miles.
Explanation of Solution
Given:
The total distance covered is 1356 miles.
The return trip is 284 miles shorter than the first part.
Calculation:
Let m be the number of miles on the first part of the trip.
The total distance covered is 1356 miles.
The return trip is 284 miles shorter than the first part.
So, the number of miles for the return trip is
Putting all together, the required equation is,
Solve the equation (1) for m
Therefore, the first part of the trip covered a total distance of 820 miles.
Find the distance covered in the return trip.
Hence, the return trip was 536 miles.
Conclusion:
Hence, the return trip was 536 miles.
Chapter 4 Solutions
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