Concept explainers
To calculate: The expression for the total time for the trip.
Answer to Problem 6CYP
The required expression for the total time is
Explanation of Solution
Given information:
The distance between Lynbrook to Long Beach is 5 miles.
Speed of the train from Lynbrook to Long Beach is
Formula Used:
Time requires to travel a distance
Calculation:
It is given that the train travels 1.2 times faster returning from Long Beach.
Thus. Speed of the train from Long Beach to Lynbrook is
Let
Thus, find
Let
Find
Thus,
Now, find the total time add (1) and (2).
Hence, the required expression for the total time is
Chapter 11 Solutions
Algebra 1
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