SOLUTION: Alma can do the job in 6 days while Rachel can do the same. In 12 days. How long will it take them to do the job. If they work together?

SOLUTION: Alma can do the job in 6 days while Rachel can do the same. In 12 days. How long will it take them to do the job. If they work together?

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Question 993630: Alma can do the job in 6 days while Rachel can do the same. In 12 days. How long will it take them to do the job. If they work together?

Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
HI there,
Alma can do a job in 6 days
Rachel can do the same job in 12 days
Together:
1/6 + 1/12 = 1/x
Common denominator = 12x
2x + x = 12
3x = 12
x = 4 days
Together they can do the job in 4 days.
Hope this helps :-)
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