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25 December, 12:24

Lisa also cleans windows on the weekend. She charges $10 a window plus a $5 flat supply fee, regardless of the size of the window. Write the total charge, c, of a cleaning job as a function of the number of windows (w).

(A)

c = 10w + 5

(B)

c = 5w + 10

(C)

w = 10c + 5

(D)

w = 5c + 10

+1
Answers (1)
  1. 25 December, 13:41
    0
    (A) c = 10w + 5

    Step-by-step explanation:

    Number of windows = w

    Charge = c

    The $10 value is a dependent value in which it depends on how many windows cleaned.

    So: 10w

    $5 in the other hand, is independent.

    So: + 5

    Putting it altogether,

    c = 10w + 5
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