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# P6.5: Unit Sales Forecasting Claire Littleton has discovered that the change in product A demand in any given week is inversely proportional to the

P6.5: Unit Sales Forecasting

Claire Littleton has discovered that the change in product A demand in any given week is inversely proportional to the change in sales of product B in the previous week. That is, if sales of B rose by X percent last week, sales of A can be expected to fall by X percent this week.

A. Write the equation for next week’s sales of A, using the variables A – sales of product A,B = sales of product B, and t = time. Assume that there will be no shortages of either product.

B. Last week, 100 units of A and 90 units of B were sold. Two weeks ago, 75 units of B were sold. What would you predict the sales of A to be this week?

P6.5: Unit Sales Forecasting
Claire Littleton has discovered that the change in product A demand in any given week is
inversely proportional to the change in sales of product B in the previous...

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