Respuesta :
Answer:
Film A = 128 min
Film B = 32 min
Step-by-step explanation:
let 'B' = length of film B
let '4B' = length of film A
4B + B = 160
5B = 160
B = 32
4B = 128
Film A = 128 min. Film B = 32 min. HOPE IT HELPS