Question

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?

Answer 1

$13

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.