SOLUTION: Suppose one person can mow a lawn in x hours and a second person can mow the same lawn in y hours. How long will it take the two people to mow the lawn if they work together?

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Suppose one person can mow a lawn in x hours and a second person can mow the same lawn in y hours. How long will it take the two people to mow the lawn if they work together?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 838343: Suppose one person can mow a lawn in x hours and a second person can mow the same lawn in y hours. How long will it take the two people to mow the lawn if they work together?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
1/x+1/y=1/z
where z is number of the hours needed working together