Respuesta :

To r be parallel to s, the given angles must be suplementaries (they must add 180°):
(y-24)°+(3y-20)°=180°
(y-24+3y-20)°=180°
(4y-44)°=180°
4y-44=180
4y-44+44=180+44
4y=224
4y/4=224/4
y=56

Answer: Option B. 56

Answer: B! 56!

Step-by-step explanation:

almost there good luck