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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?
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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?

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