Respuesta :

Answer:

30 minutes

Step-by-step explanation:

135 = 90 + 45

45 is half of 90

so 20 + half of 20 which is 10 = 30

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

Answer:

It will take 30 minutes

Step-by-step explanation:

90 dived by 20=4.5

135 divided by 4.5=30