Designer Dolls, Inc. found that the number N of dolls sold varies directly with their advertising budget A and inversely with the price P of each doll. The company sold 5200 dolls when $26,000 was spent on advertising and the price of a doll was set at $30. Determine the number of dolls sold when the amount spent on advertising is increased to $52,000. Round to the nearest whole number. Question 10 options: 3,447 dolls 10,400 dolls 5,200 dolls 1,723 dollsA.3,447 dollsB.10,400 dollsC.5,200 dollsD.1,723 dolls

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Answer:The number of dolls sold is 10,400.Step-by-step explanation:The number (N) of dolls sold varies directly as their advertising budget (A) and inversely with the price (P) of each doll.Mathematically, the statement above is represented as:N = kA/Pk is the proportionality constant.k = NP/A = 5,200 × 30/26,000 = 6When A = $52,000 and P = $30N = kA/P = 6 × 52,000/30 = 10,400 dolls
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