Question 807273: your test scores for the semester are 87,84 and 85. can you raise your test average top 90 with your next test Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! your test scores for the semester are 87,84 and 85. can you raise your test average top 90 with your next test
---------
Equation:
Let your next test score be "x":
(87+84+85+x)/4 = 90
-------
256+x = 360
-----
x = 104
----
Ans: Can't do it.
=====================
Cheers,
Stan H.
=====================