Algebra 2

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

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  1. 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

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  2. 42000/34000 X 1800 = 42/34 X 1800 = 2223.5 or 2224 dolls

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

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  4. Hall is 💯

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