Respuesta :

hbj

Answer:

$13

Step-by-step explanation:

R = 10A - 20

110 = 10A - 20

add 20 to both sides

130 = 10A

divide by 10

13 = A

$13

Answer:

13 dollars

Step-by-step explanation:

R = 10A -20

Let R = 110

110 = 10A -20

Add 20 to each side

110+20 = 10A -20+20

130 = 10A

Divide each side by 10

130/10 = 10A/10

13 = A