The expression 2d gives the grade that a student receives for d correct answers. What is the score for 10 correct answers?
1 answer:
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The average value of a data set is equal to the sum of each entry divided by the number of entries. In this case, we have 5 scores, so we can find set up the following equation where x is the fifth score:
Now solve for x:
The fifth score must be 87.
Now solve for x:
The fifth score must be 87.