Problem

48. Alicia weighs 162 pounds, but has been losing about 0.8 pounds per day with her new eating/exercise regimen. Write the equation that models this situation. Use the equation to find what Alicia can expect to weigh after 3 weeks.

Answer

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Answer

\(w(21) = 162 - 0.8(21)\)

Steps

Step 1 ：\(w(t) = 162 - 0.8t\)

Step 2 ：\(t = 21\)

Step 3 ：\(w(21) = 162 - 0.8(21)\)

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