SOLUTION: The grade a student makes on a test varies directly with the amount of time the student spends studying. Suppose a student spends 5.5 hours studying and makes a grade of 76% on the

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Question 823444: The grade a student makes on a test varies directly with the amount of time the student spends studying. Suppose a student spends 5.5 hours studying and makes a grade of 76% on the test. What is an equation that relates the grade earned on a test, g, with the amount of time spent studying, t, in hours? What is the graph of your equation?
Answer by stanbon(75887) About Me  (Show Source):
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The grade a student makes on a test varies directly with the amount of time the student spends studying. Suppose a student spends 5.5 hours studying and makes a grade of 76% on the test. What is an equation that relates the grade earned on a test, g, with the amount of time spent studying, t, in hours? What is the graph of your equation?
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Use a proportion:
hours/percent = hours/percent
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t/(x%) = 5.5/76%
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t = (5.5/76)x
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t = 0.0724x
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graph%28400%2C400%2C-10%2C10%2C-2%2C2%2C0.0724x%29
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Cheers,
Stan H.
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