To determine the time of return if the level in the bathtub is
The person should return by
Given:
It is given that the water has reached a level of
Calculation:
The water filling process is an arithmetic sequence. The water reaches a level of
Hence, the sequence is:
Here, the first term is
The successive terms of the sequence represents water levels at an intervals of
Since the water level is
Hence, the person should return by
Chapter 9 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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