SOLUTION: Chere can do 2 jobs in 3 days, and Stacey can do 5 jobs in 6 days. Chere works for 3 days, and then Stacey begins to help. How many days will it take them working together to do 74

Question 1024339: Chere can do 2 jobs in 3 days, and Stacey can do 5 jobs in 6 days. Chere works for 3 days, and then Stacey begins to help. How many days will it take them working together to do 74 jobs? -- Thank you for any support :)
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
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Chere can do 2 jobs in 3 days, and Stacey can do 5 jobs in 6 days. Chere works for 3 days, and then Stacey begins to help.
How many days will it take them working together to do 74 jobs? -- Thank you for any support :)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

C's rateof-work is  jobs per day.

S's rateof-work is  jobs per day.

Working for 3 days, Chere completed  = 2 jobs.
And 74 - 2 = 72 jobs remained.

Their combined rate-of-work is  =  =  jobs per day.


The answer to the question is  :  = . . . 

Please calculate it yourself.

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