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Mathematics, 29.03.2021 17:20 Annapetrik

Patty grades her five math class’ celebration in 3 hours. Katy grades her five math class’ celebration in 4 hours. Which equations is set up to determine how long will it take them to grade Katy’s five math classes if they grade them all
together?

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Patty grades her five math class’ celebration in 3 hours. Katy grades her five math class’ celebrati...

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