Hi All,
Most Test Takers would treat this prompt as an "Average Formula" question, which is absolutely fine. As an alternative, here's a way to solve this problem without using the Average Formula:
The five "grades" are 3.7, 3.7, 3.3, 3.0 and X
To get an overall average of 3.5 or higher, we can "balance out" the values and figure out what the 5th value must be:
3.7 (.2 above)
3.7 (.2 above)
3.3 (.2 below)
3.0 (.5 below)
With these 4 values, 3.7 and 3.3 are the same "distance" away from the 3.5; the other 3.7 doesn't offset the 3.0 "enough" (the net effect is still .3 below); thus, the X value has to be high enough above 3.5 to "make up for" the .3 below. The X would have to be at least 3.8…
The only Grade that accomplishes that is an A Grade.
Final Answer:
GMAT assassins aren't born, they're made,
Rich
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