SOLUTION: A Steinway piano should be placed in a room where the relative humidity h is between 38% and 72%. Express this range with an inequality containing an absolute value.

Question 711163: A Steinway piano should be placed in a room where the relative humidity h is between 38% and 72%. Express this range with an inequality containing an absolute value.
Answer by tommyt3rd(5050) (Show Source): You can put this solution on YOUR website!
We are essentially converting the inequality

into an absolute value inequality

The middle of the interval is

The halfway distance on the interval is

therefore our interval is

:)
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