livingstonella livingstonella

02-09-2021
Mathematics

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The equation R=30A-50 represents the revenue R (in dollars) you make by spending A dollars on advertising. Your revenue totaled $160. How much did you spend on advertising?

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ellisrmele ellisrmele

02-09-2021

Answer: $7

Step-by-step explanation:

R = Revenue = $160

$160 = 30A - 50

(+50) (+50)

210 = 30A

(÷30) (÷30)

$7 = A

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