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 Question from Deirdre, a student: Hi, I got 69% on a question worth 20% 68% on a question worth 20% And the final exam was worth 60% My final grade overall was 63% Did I do very bad in the exam????

Hi Deirdre,

Suppose your final exam grade was S%. Your final grade is composed of 3 parts, 20% from the first question, 20% from the second question and 60% from the final exam score.

20% of 69% is

$0.20 \times 69\%$

20% of 68% is

$0.20 \times 68\%.$

and 60% of S% is

$0.6 \times S\%.$

$0.20 \times 69\% + 0.20 \times 68\% + 0.6 \times S\% = 63\%.$