Question: Sam's physics grades are weighted. Their tests are worth 50% of the total grade, homework's worth 10%, and labs are worth 40%. They made an

Sam's physics grades are weighted. Their tests are worth 50% of the total grade, homework's worth 10%, and labs are worth 40%. They made an average of 82 on tests, 85 on homework, and 71 on labs. What is Sam's overall average grade in physics?

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