SOLUTION: test scores - 79,88,93 If all the tests are equally weighted, what score must you get on the forth test ti have a test average of 90?

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Question 340115: test scores - 79,88,93
If all the tests are equally weighted, what score must you get on the forth test ti have a test average of 90?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(79+88+93+x)/4=90
260+x=360
x=100