Mathematics, 27.10.2019 08:43 Piglets1228
If jim roller can paint a room in 3 hours while john brush would take 4 hours, how long will they take if they work together? 1/7 hour 1 hour 1 5/7 hours
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If jim roller can paint a room in 3 hours while john brush would take 4 hours, how long will they ta...
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