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-Cindy Has Scores Of 72,84,85 $72,84,85$ , and 90 on Her Biology Tests

Multiple Choice

Solve.
-Cindy has scores of $72,84,85$ , and 90 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) $44.5 \leq$ final score $\leq 71.5$
B) $89 \leq$ final score $\leq 143$
C) $9.5 \leq$ final score $\leq 32$
D) $70 \leq$ final score $\leq 79$