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Concept explainers
To calculate: Number of seconds in the first stage.
![Check Mark](/static/check-mark.png)
Answer to Problem 25STP
Number of seconds in the first stage =
Explanation of Solution
Given information:
The first stage of a rocket burns
Total burning time =
Calculation:
Let number of seconds in the second stage =
The first stage is
Therefore, number of seconds in the first stage =
The equation can be solved as follows:
Number of seconds in the first stage =
Chapter 12 Solutions
Algebra 1
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