Question

A and B can polish the floor of a building in 10 day . A alone can do 1/4 th of it in 12 days . In how many days canB alone polish the floor?

it's urgent !​

Answer 1

Answer:

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.

Step-by-step explanation:

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