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12-10-2015
Mathematics

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A new building needed 14 windows.The builder had already installed 5 of them.If it takes 4 hours to install each window, how long will it take him to install the rest?

Respuesta :

adree22 adree22

12-10-2015

9(remaining windows) X 4(hours to build each one) =36 (hours to build the rest

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