a.
To write and solve inequality that represents the possible numbers of miles you run.
a.
Answer to Problem 31E
Explanation of Solution
Given information :
You run for 2 hours at a speed no faster than 6.3 miles per hour.
We know that Distance = speed
Hence we get the inequality as,
b.
To determine if we can run the marathon in given time or not.
b.
Answer to Problem 31E
Friend is correct and we cannot complete the race in less than 4 hours.
Explanation of Solution
Given information :
Marathon distance is 26.2 miles.
Maximum speed is 6.3 miles per hour.
Hence the time taken to cover 26.2 miles at a speed of 6.3 miles per hour is
Therefore we can determine that friend is correct and we cannot complete the race in less than 4 hours.
Chapter 2 Solutions
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