Mathematics, 12.06.2020 07:57 jessica01479

Washing his dad’s car alone, eight-year-old Levi takes 2.5 hours. If his dad helps him, then it takes 1 hour. How long does it take the Levi’s dad to wash the car by himself?

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Washing his dad’s car alone, eight-year-old Levi takes 2.5 hours. If his dad helps him, then it take...

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