SOLUTION: Christian D'Angelo has scores of 68, 65,75, and 78 on his algebra tests. Use a compound inequality to find the scores he can make on his final exam to received a C in the course. T

Question 205272: Christian D'Angelo has scores of 68, 65,75, and 78 on his algebra tests. Use a compound inequality to find the scores he can make on his final exam to received 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.
Answer by alicealc(293) (Show Source): You can put this solution on YOUR website!
Final exam score = x

average score =
=
70 ≤ average score ≤ 79

divide them by 2:

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