Question

A can do certain job in 12 days .B is 60% more efficient than A. find the number of days taken by B to finish the job​

Answer 1

Step-by-step explanation:

A can do the job in 12 days.

A's efficiency = 1/12.

B's efficiency 60% more than A.

$\frac{1}{12} \times \frac{160}{100} = \frac{1}{7.5}$

B can do the job in 7.5 days.