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12-11-2019
Mathematics

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It takes Sam 4 hours to rake the front lawn while his brother, Dave, can rake the lawn in 2 hours. How long will it take them to rake the lawn working together?

It takes Sam 4 hours to rake the front lawn while his brother Dave can rake the lawn in 2 hours How long will it take them to rake the lawn working together class=

Respuesta :

matthew0313 matthew0313

10-02-2021

Answer:

1 hour 20 minutes

Step-by-step explanation:

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