Question

a can do a piece of work in 6 days and B can do it in 8 days how long they will take complete to together​

Answer 1

Answer:

efficiency ×time = work

efficiency = work /time

Step-by-step explanation:

efiic... of A = 1/6per day

effic.. of B = 1/ 8 per day

ATQ

together

effici..of A + effice... of B

1/6 + 1/8=4+3/24=7/24

so te require d ans is 24 /7

thanks I hope it is helpful for you

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Answer 2

Answer:

for A

in 6 days A can do one work

in 1 days A can do 1/6 work

for B

in 8 days B can do one work

in 1 days B can do 1/8 work

now

A and B together in one day can do

(1/6+1/8)work

=(4+3)/24work

=7/24 work

7/24 work can be done by A and B in

1day

1 work can be done by A and B in 1/7/24=24/7days