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Mathematics, 13.04.2021 03:10 sdxnessa

A person can plow all the driveways on his street with his new​ four-wheel-drive truck in 3 hours. Using a snow blade on a lawn​ tractor, his neighbor can plow the same number of driveways in 6 hours. How long would it take them to do the work​ together?

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A person can plow all the driveways on his street with his new​ four-wheel-drive truck in 3 hours. U...

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