SOLUTION: Colin must have an average of 94. On the first three test he has an average of 91. What must he average on the last three test to have at least an average of 94?

Algebra ->  Average -> SOLUTION: Colin must have an average of 94. On the first three test he has an average of 91. What must he average on the last three test to have at least an average of 94?      Log On


   

Question 904544: Colin must have an average of 94. On the first three test he has an average of 91. What must he average on the last three test to have at least an average of 94?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(91+x)/2 >= 94
x >= 188 - 91