Essay
You calculate that your grade goes up 3 points for every hour you study mathematics in a week and 2 points for every hour you study chemistry in a week. You want to raise your grade total by at least 20. Let m be the number of hours you study mathematics each week and let c be the number of hours you study chemistry each week. Write the inequality described here and graph its solution set. 
Correct Answer:
Verified
Correct Answer:
Verified
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