SOLUTION: pat has been assigned the job of picking apples from the family orchard.he could do the job alone in 8 hours. he knows that his sister patti,could do the job in 7 hours.he begs her

Question 322359: pat has been assigned the job of picking apples from the family orchard.he could do the job alone in 8 hours. he knows that his sister patti,could do the job in 7 hours.he begs her to help,and she agrees.how long will both of them take to pick the apples? round your answer to the nearest tenth
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Output
.
.
.
Let Z be the total output of the orchard.
Let Rp be Pat's rate,

Let Ri be Patti's rate,

.
.
.

<--- Divide both sides by Z

hours
RELATED QUESTIONS
An apprentice carpenter can complete a job in 8 hours. After he has been working on the... (answered by lwsshak3)

Gina and Cal can spray an orchard in 8 hours. Gina working alone would take 12 hours to... (answered by rwm)

Gina and Cal can spray an orchard in 8 hours. Gina working alone would take 12 hours to... (answered by ankor@dixie-net.com)

A clerk is assigned a job that she can complete in 8 hours. After she has been working 2... (answered by ankor@dixie-net.com)

Dave can do the job in 8 hours. after working for one hour, he is joined by howard and... (answered by Earlsdon)

A clerk is assigned a job that she can complete in 8 hours. After she has been working... (answered by ankor@dixie-net.com)

A man estimated that he could do a certain job in 12 hours. After he had worked alone... (answered by lwsshak3)

Leo fnished 2/3 of a job in 12 hours. When he was joined by Ed, they completed the job in (answered by stanbon,jorel1380)

Tina and Cal can spray an orchard in 8 hours. Gina , working alone, would take 12 hours... (answered by solver91311,ptaylor)