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17 September, 16:04

Jenny's mom says she has an hour before it's bedtime Jenny's friends one third of the our texting a friend and 1/4 of time brushing their teeth and putting on her pajamas she spends the rest of your time reading her book how many minutes did Jenny read?

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  1. 17 September, 16:11
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    According to Jenny's mom, she only have an hour before bedtime

    => 1/3 of her time were spent for texting her friend

    => 1/4 of her time were spent brushing her teeth and putting on her pajamas.

    Now, he still have to read her book. How much time will she be spending for reading books?

    => 1/3 + 1/4 = 4/12 + 3/12, 12 is the least common multiple

    => 4/12 + 3/12 = 7/12

    12/12 - 7/12 = 4/12

    => 4/12 = 19.8 minutes

    => 3/12 = 15 minutes

    => 4/12 = 19.8 minutes

    He still
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