If it takes 48 days for the patch to cover the entire lake, how long would it take for the patch to cover half of it?

如果它的叶子覆盖整个湖面需要48天，那么覆盖半个湖面需要多少天？

youdao

The Chesapeake Bay sometimes flows over the wetlands, which cover half the land.

VOA: special.2009.10.06

Make sure the student earns enough on the job to cover half of expenses.

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We don't have companies as Freddie Mac or Fannie Mae who cover half of the housing mortgages all over the United States.

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O'Brien, who made his billions in mobile phones and media, has offered to cover half the cost of the new managerial team.

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