SOLUTION: Naomi can harvest wheat in 72 hours. Her cousin offers to help her, he can harvest his wheat in 48 hours. How long would it take if they work together.

Question 1077669: Naomi can harvest wheat in 72 hours. Her cousin offers to help her, he can harvest his wheat in 48 hours. How long would it take if they work together.
Answer by ikleyn(52756) (Show Source): You can put this solution on YOUR website!
.

Naomi makes  of the work per hour.

Her cousin makes  of the work per hour.

Working together, they make  =  =  =  of the job per hour.

Hence, it will take  = 28 hours and 48 minute to complete the job working together.

For a wide variety of similar solved joint-work problems with detailed explanations 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
in this site.

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".

RELATED QUESTIONS
With the old combine, Nikitas entire wheat crop can be harvested in 60 hours, but a new... (answered by ewatrrr)

With the old combine, Nikita's entire wheat crop can be harvested in 72 hours, but a new... (answered by ankor@dixie-net.com)

It takes Jose ten hours to harvest a field. Abhasra can harvest the same field in 13... (answered by josgarithmetic)

Danielle can harvest a field in 16 hours. Kathryn can harvest the same field in 12 hours. (answered by Edwin McCravy)

It takes Jill 10 hours to harvest a filed. Bill can harvest the sam field in 11 hours. If (answered by macston,t0hierry)

If Ted can harvest a field in 16 hours and Eugene can harvest the same field in 13 hours... (answered by ewatrrr,richwmiller)

Working alone, it takes Kristin 11 hours to harvest a field. Kayla can harvest the same... (answered by AnlytcPhil)

Daniel can harvest a field in 11 hours. Rob can harvest the same field in 14 hours. If... (answered by richwmiller)

A Farmer has 75 acres of wheat. The Farmer can harvest the wheat from 12 acres per day.... (answered by macston)