SOLUTION: working alone, ryan can dig a 10 ft by 10 ft hole in five hours. castel can dig the hole in six hours. how long would it take them if they worked together?
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Question 551099: working alone, ryan can dig a 10 ft by 10 ft hole in five hours. castel can dig the hole in six hours. how long would it take them if they worked together?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
1/5 + 1/6 = 1/t
6t + 5t = 30
11t = 30
t = 30/11
t = 2 8/11
So it will take 2 8/11 hours or roughly 2.545 hours if they worked together.
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