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Posted by on Friday, May 29, 2009 at 4:36pm.

seven students each stent 15 minutes at the classroom computer. an eighth studentworked 18 minutes. what is the tolal computer time in minutes and hours

  • math - , Friday, May 29, 2009 at 4:42pm

    7 * 15 = 105 minutes

    105 + 18 = 123 minutes

    Divide: 123/60 = 2 3/60 = 2 hours and 3 minutes.

  • math - , Thursday, November 25, 2010 at 5:52pm

    wht is reciprocal proper fractionn

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