Mathematics, 12.08.2020 05:01, gonzaloc

(20 POINTS) Jack can paint an entire house in 3 hours. Jill can do the same job in 4 hours. What portion of the house can they paint in 1 hour if they work together?

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(20 POINTS) Jack can paint an entire house in 3 hours. Jill can do the same job in 4 hours. What por...