The absolute value equation is:
|x - 0.3in| = 0.0003 in
And the accepted range is [0.2997 in, 0.3003 in]
How to write the absolute value equation?
For cases like this, the general absolute value equation is:
|variable - average value| = largest error accepted.
In this case, the variable is the width of the chain, let's define it as x.
The average value is 0.3 inches.
The absolute deviation at most is 0.0003 inches.
Replacing that we get:
|x - 0.3in| = 0.0003 in
Solving this we have:
x - 0.3in = 0.0003in
x - 0.3in = -0.0003in
x = 0.0003in + 0.3in = 0.3003 in
x = -0.0003in + 0.3in = 0.2997 in
Then the accepted range is [0.2997 in, 0.3003 in]
If you want to learn more about absolute value equations:
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