SOLUTION: A student gets a 75% on his first exam and a 95% on his second exam. He has one more exam and hopes to get an average of 80% in the class. What does he need to get on his final e

Question 830861: A student gets a 75% on his first exam and a 95% on his second exam. He has one more exam and hopes to get an average of 80% in the class. What does he need to get on his final exam?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A student gets a 75% on his first exam and a 95% on his second exam. He has one more exam and hopes to get an average of 80% in the class. What does he need to get on his final exam?
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Equation:
(75+95+x)/3 = 80
(170+x) = 240
x = 70 He needs a 70% on the 3rd exam.
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Cheers,
Stan H.
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