Question

pls give answer urgently needed​

Answer 1

Step-by-step explanation:

A and B can finish a work in 20 days

. . A alone can do 1th/5 of the work in 12 days.

.

Solution : B can do it in

\begin{lgathered}= 20 - \frac{1}{5} \\ \frac{20}{1} - \frac{1}{5} \\ \frac{20 - 5}{5} \\ \frac{3}{1} \\ = 3\end{lgathered}

=20−

5

1

1

20

−

5

1

5

20−5

1

3

=3

hope it help U ,✔

@ansika