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The equation R= 10A - 20 represents the revenue R ( in dollars) you make spending A dollars on advertising. Your revenue totaled $110. How much did u spend on advertising?

Respuesta :

sqdancefan

Answer:

  $13

Step-by-step explanation:

Fill in the given values and solve for the unknown.

  110 = 10A -20

  130 = 10A . . . . . add 20

  13 = A . . . . . . . . divide by 10

You spent $13 on advertising.

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