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jane takes 4 hours to do a job that Alice can do in 3 hours. if jane works 1/2 hour before Alice joins her, how long will it take the two of them to finish the job
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jane takes 4 hours to do a job that Alice can do in 3 hours. if jane works 1/2 hour before Alice joins her, how long will it take the two of them to finish the job

User Sarang Shinde
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1 Answer

11 votes

Answer:

2.4 hours

Explanation:

User Extremeboredom
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8.6k points
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