Math

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Mary can read 20 pages in 30 minutes. How long would it take her to read 160 page book? Write your answer in hours and minutes .

  • Math -

    How do you think this problem can be solved?

  • Math -

    I am not sure what formula do j use

  • Math -

    She reads 20 pages in 1/2 hour -- so she read 40 pages in 1 hour.

    160 / 40 = 4 hours

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