Mathematics, 15.07.2019 09:00 brandon56238

It takes nora two hours to paint a wall 5m by 8m, and zack three hours to paint a wall 4m by 9m. together, how long will it take them to paint a wall 10m by 12m?

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It takes nora two hours to paint a wall 5m by 8m, and zack three hours to paint a wall 4m by 9m. tog...

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