Mathematics, 10.09.2021 18:50 jasontbyrer

Josephine is taking a college course, and her professor bases the course grade on the average of two test taken in the semester. She wants to know what she needs to earn on the last test to maintain her grade. Rearrange the following questions for b, where C is the average of two test scores, a and b. (9th-grade Algebra 1)

Josephine is taking a college course, and her professor bases the course grade on the average of tw

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