SOLUTION: 45. Ryan can do a job in 12 days. After he has worked for 4 days, he is joined by Sandy. They finish the job together in 2 more days. How long will it take Sandy to do the whole jo

Question 927838: 45. Ryan can do a job in 12 days. After he has worked for 4 days, he is joined by Sandy. They finish the job together in 2 more days. How long will it take Sandy to do the whole job herself?
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
Ryan alone and Ryan and Sandy together perform a sum of the job portions equivalent to the whole job.

Let x be the time in days for Sandy to do one whole job alone.

Solve for x.
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