SOLUTION: Tina can weed her vegetable garden completely in 90 minutes. Her friend Marisa can do the same task in 80 minutes. If they work​ together, how long does it take Tina and

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Tina can weed her vegetable garden completely in 90 minutes. Her friend Marisa can do the same task in 80 minutes. If they work​ together, how long does it take Tina and       Log On


   



Question 1117099: Tina can weed her vegetable garden completely in
90 minutes. Her friend Marisa can do the same task in
80 minutes. If they work​ together, how long does it take Tina and Marisa to weed the vegetable​ garden?

Answer by josgarithmetic(39618) About Me  (Show Source):