Respuesta :

Answer:

Step-by-step explanation:

5x + 4x = 180

9x = 180

x = 20

5x= 5(20) = 100 degrees

4x= 4(20)= 80 degrees

the solution is B

Answer: 100 and 80

Explanation:
5x + 4x = 180
9x = 180
X = 20

5x = 5(20) = 100
4x = 4(20) = 80