Question

A and B can polish floors the floors of the building in 18 days. A alone can do 1/6 of this job l. In how many days can B alone polish the floors.​

Answer 1

Step-by-step explanation:

If A can do 1/6 of the floor in 4 days, then in 18 days he will do

1/6*18/4 = 18/24 =3/4

Therefore in 18 days B will have polished 1/4 of the floor,

so would take 18*4 = 72 days.