Mathematics, 14.12.2020 21:10 ava5015
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 5/7 hours
1 hour
1/7 hour
Answers: 2
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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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