Mathematics, 16.10.2019 18:30 shamiyac3
Ann cleans an apartment in 12 hours and liz cleans an apportment in 18 hours. how long would it take to clean an appartment together?
Answers: 2
of the apartment per hour. Similarly Liz cleans 
of the appartment per hour. So together then can clean 
of the apartment for hour. Therefor it will take them 
hours to clean.
can be used as a check if needed.
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Ann cleans an apartment in 12 hours and liz cleans an apportment in 18 hours. how long would it take...
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