After solving the equation, the strategy asks you to check that the answer:
AMakes sense
BMakes money
CMakes noise
DMakes space
Answer & Solution
Correct answer: A. Makes sense
1. A correct calculation can still give an impossible answer.
2. A negative length or a sale price above the original signals a mistake.
3. Check the answer in the problem and make sure it makes sense.
4. Only then is the question answered in a sentence.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 3 'Math Models', sections 3.1-3.5_
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