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Mathematics, 23.12.2019 13:31 Meiyuh1

Twin brothers, andy and brian mow their grandparent's lawn together in 12 minutes. brian could mow the lawn himself in 10 minutes more than it would take andy. how long would it take each person to mow the lawn alone?

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Twin brothers, andy and brian mow their grandparent's lawn together in 12 minutes. brian could mow t...
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