SOLUTION: A newspaper boy can deliver his papers in 80 minutes. His friend can take care of the same route in 2 hours. How long will it take them to do the job together?

Question 1163867: A newspaper boy can deliver his papers in 80 minutes.
His friend can take care of the same route in 2 hours.
How long will it take them to do the job together?
Answer by ikleyn(52799) (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  48 minutes, working together.     ANSWER

Solved.

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It is a standard and typical joint work problem.

There is a wide variety of similar solved joint-work problems with detailed explanations in this site. See the lessons
    - Using Fractions to solve word problems on joint work
    - Solving more complicated word problems on joint work
    - Selected joint-work word problems from the archive

Read them and get be trained in solving joint-work problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this textbook under the topic
"Rate of work and joint work problems" of the section "Word problems".

Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.

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