SOLUTION: The secretary of the council can draft a communication letter in 15 mins while the assistant secretary can finish the same in 32 minutes. How long will it take for both of them to

Question 1163539: The secretary of the council can draft a communication letter in 15 mins while the assistant secretary can finish the same in 32 minutes. How long will it take for both of them to do the job?
Answer by ikleyn(52873) (Show Source): You can put this solution on YOUR website!
.


Their combined rate of work is


     +  =  =  =   of the job per minute.


Hence, they will complete the job in   = about 10.2  minutes.           ANSWER

Solved.

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It is a standard and typical joint work problem.

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Also, you have this free of charge online textbook in ALGEBRA-I in this site
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The referred lessons are the part of this textbook under the topic
"Rate of work and joint work problems" of the section "Word problems".

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Free of charge online textbook in ALGEBRA-I
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