Answered

A pharmacy claims that the average medication costs $32 but it could differ as much as $8. Write and solve an absolute value inequality to determine the range of medication costs at this pharmacy.

|x − 32| ≥ 8; The medication costs range from $24 to $40

|x − 32| ≥ 8; The medications cost less than $24 or greater than $40.

|x − 32| ≤ 8; The medication costs range from $24 to $40

|x − 32| ≤8; The medications cost less than $24 or greater than $40.

Answer :

The third option is correct. 

1) This means x≥40 or x≤24 which does not make sense. 

2) Does not make sense. 

4) The abs inequality is OK but not its interpretation.

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