Mathematics, 15.05.2021 04:10 Usman458

Mr. Buchanan can clean his apartment in 12 hours. (He's not very fast.) With Mrs. Buchanan's help, they can clean the apartment in 4 hours. How long would it take Mrs. Buchanan to clean the apartment alone? Time= Hours

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Mr. Buchanan can clean his apartment in 12 hours. (He's not very fast.) With Mrs. Buchanan's help, t...