SOLUTION: Brenda�s scores on the first three of four 100-point science tests were 95, 92, and 89. What score does she need on her fourth science test to ensure an average score of at least 9

Question 808659: Brenda�s scores on the first three of four 100-point science tests were 95, 92, and 89. What score does she need on her fourth science test to ensure an average score of at least 93?

Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
(95 + 92 + 89 + t)/4 = 93
(95 + 92 + 89 + t)/4 = 93
69 + (1/4)t = 93
(1/4)t = 24
Answer:
t = 96
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