SOLUTION: Suppose Jim has 3 test this semester. His first test grade was a 95, However he scored an 86 on his second test. What must he score on his third test to have an average of at least

Question 1097979: Suppose Jim has 3 test this semester. His first test grade was a 95, However he scored an 86 on his second test. What must he score on his third test to have an average of at least 90?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Suppose Jim has 3 test this semester. His first test grade was a 95, However he scored an 86 on his second test. What must he score on his third test to have an average of at least 90?
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T = score on Test 3
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(95 + 86 + T)/3 = 90
181 + T = 270
T = 89 to average 90.

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