Below is a screenshot of an Official Practice GED Math Test questions using the concept of weighted average.

As you can see, you definitely need to know the specific concept of weighted average or else you will make the mistake of confusing the concept of average.

If taste is a score of 84 and weighted at 75% and presentation is a score of 68 and weighted at 25%, you would answer the question by the simple calculation below.

Pat's overall grade = (0.75)(84) + (0.25)(68) = 80. So, in this case, it is clear that the answer is D!

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