Solve the problem.Cindy has scores of 73, 83, 85, and 89 on her biology tests. Use a compound inequality to find the range of scores she can make on her final exam to receive a C in the course. The final exam counts as two tests, and a C is received if the course average is between 70 and 79.
A. 10 ? final score ? 32.5
B. 45 ? final score ? 72
C. 90 ? final score ? 144
D. 70 ? final score ? 79
Answer: B
Mathematics
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