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Mathematics, 09.03.2021 02:40 iamasia06

It takes Sam 3 hours to rake the front lawn while his brother, Dave, can rake the lawn in 5 hours. How long will it take them to rake the lawn working together? Round to the nearest tenth.

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It takes Sam 3 hours to rake the front lawn while his brother, Dave, can rake the lawn in 5 hours. H...
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