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 1,800 dolls when $34,000.00 was spent on advertising, and the price of a doll was set at $25.00. Determine the number of dolls sold when the amount spent on advertising is increased to $42,000.00. Round to the nearest whole number.

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 1,800 dolls when $34,000.00 was spent on advertising, and the price of a doll was set at $25.00. Determine the number of dolls sold when the amount spent on advertising is increased to $42,000.00. Round to the nearest whole number.
 A. 877 dolls
 B. 710 dolls
 C. 2,224 dolls
 D. 1,800 dolls

hall · Accepted Answer

1. B 2.A(y=16/x) 3.C(nc=100) 4.C(10) 5.C(2,224 dolls)

Reiny · Answer

N = k(A)(1/P) for the given: 1800 = k(34000)(1/25) solve for k, then you have the actual equation. Plug in A=42000, P = 25

hall · Answer

42000/34000 X 1800 = 42/34 X 1800 = 2223.5 or 2224 dolls

The one · Answer

Hall is 💯

Not here · Answer

Hall is right in 2022

Some Fangirl · Answer

Hall is right in February of 2022 :) Thanks Hall