SOLUTION: siam can mow a lawn in 60 minutes. larry can mow the same lawn in 30 minutes . How long does it take for both Siam and Larry to mow the lawn if they are working together

Question 1139611: siam can mow a lawn in 60 minutes. larry can mow the same lawn in 30 minutes . How long does it take for both Siam and Larry to mow the lawn if they are working together
Found 2 solutions by josmiceli, Alan3354:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add their rates of working to
get their rate working together
Let = their time working together

Multiply both sides by

Working together it takes
them 20 min

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
siam can mow a lawn in 60 minutes. larry can mow the same lawn in 30 minutes . How long does it take for both Siam and Larry to mow the lawn if they are working together
===========
Larry mows 2x as fast at siam.
---> Larry + siam mow as fast as 3 Larrys.
----
60/3 = 20 minutes.

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