Solve
-Cindy Has Scores of 74,80,84 , and 89 $70 \leq \text { final score } \leq 79$

Multiple Choice

Solve.
-Cindy has scores of 74,80,84 , 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 final course average is from 70 to 79 .

A) $70 \leq \text { final score } \leq 79$
B) $93 \leq \text { final score } \leq 147$
C) $11.5 \leq \text { final score } \leq 34$
D) $46.5 \leq \text { final score } \leq 73.5$