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Pre-Algebra 19 Online
OpenStudy (anonymous):

Scientists are monitoring a whale's weight by observing its weight change once a week, over a 4 week period.How much has the whale's weight changed over the entire 4 weeks?

OpenStudy (anonymous):

OpenStudy (anonymous):

Let's assume the weight of the whale is 0 pounds. Subtract 2.1 from 0. Then add .3. Then subtract 1.7 then another .4. Your answer is over a 4 week period the whale lost 3.9 pounds

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