Question

Anna can do part of a work in 3 days and Kim can do of that
work in 5 days If they work together, how much time they will
take to finish that work?​

Answer 1

Step-by-step explanation:

Time taken by Anna is 1/3 days.

Time taken by Kim is 1/ 5 days

then,

they work together

1/3+1/5=1/8

Answer 2

Step-by-step explanation:

Let the time taken by Anna be 1/3

Let the time taken by Kim be 1/5.

Total time=1/3+1/5=5+3/15

8/15