Work
Level
2
A can do 1/5th of a certain work in 2 days and b can do 2/3rd of it in 8 days. In how much time can they together complete the work?
The answer is 5.45.
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1 solution
We see that A can do the job in 10 days, and B can do it in 12 days. That means that they do 1/10 plus 1/12 per day, together. Adding the two and finding the reciprocal gets the answer 5.45.