Question

If X completes the task is 3 minutes and Y completes the same task in 5 minutes, are we
comparing the speed of X and Y?​

Answer 1

Answer:

Explanation: here is the answer

Answer 2

does 1/20 of the job for one minute, and B does 1/30.

1/20 +1/30=1/12

They do 1/12 of the job together for one minute.

So, they need twelve minutes to complete the job.