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17 December, 16:41

Danny reads 70% of a book in 35 minutes.

How much more time will he need to finish reading the book?

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  1. 17 December, 20:31
    0
    Percentage of book left to read = 100%-70% = 30%

    70% - > 35 minutes

    1% - > 0.5 minutes

    30% - > 0.5 minutes x 30 = 15 minutes

    he needs 15 more minutes.
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