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To find: A variable for the indicated number and write an inequality based on the given information.
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Answer to Problem 11WE
The inequality is
Explanation of Solution
Given:
Two trucks start from the same point at the same point but travel in opposite directions. One truck travels at 86 km/hr and the other at 78km/hr. After some hours of traveling, the trucks are at least 650 km apart.
Calculation:
Let t be the time after which the trucks are at least 650 km apart.
Now, speed and time are related by the formula,
So, at time t, the distance
Therefore, at time t, the distance between the two trucks is
Symbolically, the inequality becomes
Chapter 10 Solutions
Algebra: Structure And Method, Book 1
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