Question

9. The time taken by artisans A, B, and C to do an
embroidery job is 15 hours, 18 hours, and 15 hours.
respectively. A, B, and C begin working together but
after 3 hours B is put on another job. How long will
A and C take to finish the embroidery job?​

Answer 1

Answer:

then 30 long will a and she take to finish the job