Mathematics, 07.08.2021 08:50, sarahjdeering

HELP Chelsea can paint a fence in 9 hours, and Greg can paint the same fence in 7 hours. How long does it take them to paint the fence if they work together? Round to
the nearest tenth

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HELP Chelsea can paint a fence in 9 hours, and Greg can paint the same fence in 7 hours. How long d...