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Question 223319: what is the Appropriate solutions and answer with this problem?A and B working together,can complete a certain job in 7 and half hours.Working alone,A would take B hours longer than B to do the job.How l;ong would it take each to complete the job if each were working alone?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! A and B working together,can complete a certain job in 7 and half hours.Working alone,A would take B hours longer than B to do the job.How l;ong would it take each to complete the job if each were working alone?
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Together DATA:
time = (15/2) hr/job ; rate = (2/15) job/hr
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Worker "B" DATA:
time = x hr/job ; rate = 1/x job/hr
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Worker "A" DATA:
Comment: Are you sure A's time is "B hrs longer than B"?
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Cheers,
Stan H.
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