Question

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.

A. 5,200 dolls

B. 1,723 dolls

C. 3,447 dolls

D. 10,400 dolls

Answer 1

seeing as the question states that the N of dolls sold varies directly with their advertising budget, that means that they are directly proportional. which means that if the advertising budget was doubled so would the amount of dolls. the correct answer as such is D