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Operations and Algebraic Thinking 222-226

Course: Operations and Algebraic Thinking 222-226 > Unit 2

Lesson 3: Interpreting linear expressions
Math Content
Operations and Algebraic Thinking 222-226
Expressions, equations, & inequalities
Interpreting linear expressions
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Interpreting negative number statements

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Problem

New policies reduced the overuse of water in an area. The
in that area went up by 1.2 meters in one year. The water table was 12.5 meters below the surface at the start of the year.
The following equation describes this situation.
−12.5+1.2=−11.3
What does −11.3 tell us?
Choose 1 answer:
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