Question

A and can polish the floors of a building in 10 days. A alone can do



th of it in 12 days .In how many days B alone can

do it ​

Answer 1

Answer:

${5 { { \frac{ \sqrt{?} }{?} }^{?} }^{2} }^{?}$

Step-by-step explanation:

A and can polish the floors of a building in 10 days. A alone can do

th of it in 12 days .In how many days B alone can

do it