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Mathematics, 20.08.2019 02:30 horcio8460

Anew 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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Anew building needed 14 windows. the builder had already installed 5 of them. if it takes 4 hours to...

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