1. A takes 30 days to complete a job. B takes 20
days to finish the same job. If they work together,
how many days will they take to finish the job?
Answers
Answered by
8
Answer:
12 days
Step-by-step explanation:
If they work together no. of days taken = xy/x + y
= 30 × 20/30 + 20
= 600/50
= 60/5
= 12 days
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