Concept explainers
To determine the speed of new planes.
Answer to Problem 14P
The speed of the new plane is 800 Km/hr.
Explanation of Solution
Given information :
Ace Airlines changed to planes that flew
The time of its
Let the speed of old one be
Time taken by old plane is
Time taken by new plane is
Hence the equation shall be,
Now we shall solve for
(Ignore negative value)
Speed of old plane is 700 Km/hr.
Hence the speed of the new plane is 700+100 = 800 Km/hr.
Chapter 5 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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