Question

worker A takes 8 hours to do a job worker b takes 10 hours to do the same job howlong should it take both a and b working together to the job?

Answer 1

Answer:

Whole part of job is done in = 1*40/9 = 40/9 = 4.44 hours. So, it takes them 4.4 hours to complete the job together

Step-by-step explanation:

i hope its helpful

Answer 2

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Whole part of job is done in= 1×40/9 = 40/9 = 4.44 hours.

So, it takes them 4.4 hours to complete the job together.