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6 May, 21:42

Cole and his sister chloe are cleaning their house. The house has nine rooms in it. If it take one person about 18 minutes to clean one room, how long will it take cole and chloe, working together to clean the whole house?

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  1. 6 May, 23:00
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    Answer: Cole and his sister Chloe will take 81 minutes to clean the whole house.

    Step-by-step explanation:

    Total rooms in the house = 9

    Total persons to clean the house = 2 (Cole and his sister Chloe)

    Time taken by 1 person to clean one=18 minutes

    Time taken by 2 persons to clean one room together=18 divided by 2 = 9 minutes

    Time taken by 2 persons to clean 9 rooms (which is the total number of rooms in the house) = 9 multiply 9 = 81 minutes

    therefore, they will take 81 minutes to clean the whole house.
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Home » Mathematics » Cole and his sister chloe are cleaning their house. The house has nine rooms in it. If it take one person about 18 minutes to clean one room, how long will it take cole and chloe, working together to clean the whole house?
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