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**Vicky1997** The specifications for machining a piece of metal state that it must be 12cm long within a 0.01 tolerance. What is the longest the piece is allowed to be ? What is the shortest? Using l to represent the length of the finished piece of metal, write an absolute value inequality that states these conditions.

I have recently studied about absolute value and inequality through some textbooks so I am still kind of shaky. Could you please explain step by step.

Thanks.

Vicky.