Concept explainers
To explain:
Variable for representing an unknown number and equation for describing the given situation.
Answer to Problem 23WE
Equation for describing the given situation is
Explanation of Solution
Explanations:
Let,
Since the speed of the truck is two thirds that of the car, the speed will be
The two variable start at noon and are
This means that the two variables took
Rate | |
Car | |
Truck |
The sum of the distances traveled by two vehicles is
Therefore, the equation describing the given situation is
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Algebra and Trigonometry: Structure and Method, Book 2
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