Respuesta :

Mibo

Step-by-step explanation:

4 people can trim a hedge in 60 minutes

3 people = 60 ÷ 3 = 20 minutes

Answer:

80 minutes

Step-by-step explanation:

4 people=60 minutes

÷4             ×4

1 people=240 minutes

×3            ÷3

3 people=80 minutes