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Working alone ryan can dig a 10ft by 10ft hole in five hours. castel can dig the same hole in six hours how long would it take them to dig the hole if they worked together
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Working alone ryan can dig a 10ft by 10ft hole in five hours. castel can dig the same hole in six hours how long would it take them to dig the hole if they worked together
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Apr 12, 2018
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Working alone ryan can dig a 10ft by 10ft hole in five hours. castel can dig the same hole in six hours how long would it take them to dig the hole if they worked together
Mathematics
high-school
Mohit Kanwar
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Ryan rate = 1/5 job/hr
Castel rate = 1/6 job/hr
Together rate = 1/x job/hr
Equation:
1/5 + 1/6 = 1/x
6x + 5x = 30
11x = 30
x = 2 8/11 hr = 2 hr (8/11)60 =
2hr 47 minutes
(time to do the job together)
Deevee
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Apr 17, 2018
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Deevee
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