Question

A and B can do a job alone in 12 days and 15 days respectively. A starts the work and after 6 days B also joins to finish the work together. For how many days B actually worked on the job?

Please explain your steps.​

Answer 1

Answer:

Total work done by A and B in 4 days is

(5+4)×4=36 units

Total work left = (60−36) = 24 units and B will complete

this in =244= 6 days

Answer 2

Answer:

Your answer is in attachment ⤴️

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