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An english intructor asserted that students test grades are directly proportional to the amount of time spent studying. lisa studies 5 hrs for particular a test score of 78 at that rate. how many hours would she have to study to get a score of 97

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Updated 5/10/2013 1:20:44 AM

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An english intructor asserted that students test grades are directly proportional to the amount of time spent studying. lisa studies 5 hrs for particular a test score of 78 at that rate.

78/5 = 15.6 marks per hour.

97/15.6 = 6.2 hours (6 hours 12 minutes) is requird to gain a score of 97.

78/5 = 15.6 marks per hour.

97/15.6 = 6.2 hours (6 hours 12 minutes) is requird to gain a score of 97.

Added 5/10/2013 1:20:44 AM

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