Question

A works twice as fast as B . They work together and complete a job in 8 days .How long would A take to complete the job ?

pls ans me ....​

Answer 1

Answer:

Let B works ‘x’ in one day

A works’ 2x’ in one day

x+2x work is done per day

in 8 days total 8(x+2x) work is done

A alone will complete the work

in 8(x+2x)/2x days =24x/2x=12 days

Answer 2

Answer:

I think in 4 days..........