This is a weighted average. The test is 85% (0.85) of your grade, so the 64% is the remaining 15% (0.15):
Weighted Average = (100)(0.85) + (64)(0.15) = _______?
Philip P.
tutor
Then replace the 0.85 with 0.75 and 0.15 with 0.25. It has to add to 1.
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11/27/17
Anniya S.
11/27/17