SOLUTION: Jeannie and Ella work as a sorters in the post office.
If they work together they can finish a job in 24/7 hours.
After working together for 2 hours, Jennie had a terrible headac
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Question 858981: Jeannie and Ella work as a sorters in the post office.
If they work together they can finish a job in 24/7 hours.
After working together for 2 hours, Jennie had a terrible headache
and had to take a rest leaving Ella for 2.5 hours more. how long will it take
each one of them to do the work alone.?
Please help me solve this one.. Thank you.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
2/j+2/a+2.5/a=1
1/j+1/a=1/24/7
1/j+1/a=7/24
2/j+2/a+2.5/a=1
now we have
2/j+4.5/a=1,
1/j+1/a=7/24
Ella a = 6, Jeannie j = 8
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