SOLUTION: Joan can weed the garden in 40 min and her mother can weed it in 60 min. How long would it take them working together???
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: Joan can weed the garden in 40 min and her mother can weed it in 60 min. How long would it take them working together???
Log On
Question 487207: Joan can weed the garden in 40 min and her mother can weed it in 60 min. How long would it take them working together??? Answer by jorel1380(3719) (Show Source):