MAT115

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The following information shows a relationship between the amount spent per week on advertising by a small fast-food shop and the total sales per week. Use it to answer question 5.

Amount spent 10 20 30 40

Sales 200 380 625 790

Predict the weekly sales associated with the expenditure of $50 (per week) on advertising.

  • MAT115 -

    About $1,000

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