Question

A can do a work in 6 days and B can do it in 8 days. they worked together for 2 days then B left the work. Now, how much time will A need to complete the rest of work. plz tell fast​

Answer 1

Answer:

10 days

because of 4days+6days=10days

Answer 2

Answer:

Solution:

A can do a work =6 days

A's 1 day's work = 1/6

B can do it. = 8 days

B's 1 day's work = 1/8

They together work for 2 days

Their 2 day's work = 2(1/6+1/8)

= 2(7/24)

= 2×7/24

= 7/12

Remaining work = 1-7/12

= 5/12

1/6 work is done by A in 1 day

5/12 work is done by A in (1×6×5/12)=5/2 days

Hence, A will need to complete the rest of work in 5/2 days.(Answer)