Mathematics, 27.02.2020 05:16 ShadowPlayer3325
Josephine is taking a college course, and her professor bases the course grade on the average of 2 tests taken in the semester. She wants to know what she needs to earn on the last test to maintain her grade. Rearrange the following equation for b, where C is the average of 2 test scores, a and b.
C=a+b/2
A) b= 2C/a
B) b= 2C + a
C) b= 2C - a
D) b= 2C (a)
Answers: 3
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