Mathematics, 18.10.2020 08:01, sharmadaman641

It takes Jett 2 hours to shovel the snow from a driveway and sidewalk. When Ace helps him, it takes only 1 hour. How long does it take Ace to shovel the driveway and sidewalk alone.

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It takes Jett 2 hours to shovel the snow from a driveway and sidewalk. When Ace helps him, it takes...