Question

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?

Answer 1

Answer: $7

Explanation:

R = Revenue = $160

$160 = 30A - 50

(+50) (+50)

210 = 30A

(÷30) (÷30)

$7 = A