400
Josie bought 4 cases of sports drinks for an upcoming meet. After talking to her coach, she bought 3 more cases of drinks and spent an additional $6.95 on other items. Her receipts totaled $74.15. Write and solve an equation to find how much each case of sports drinks costs.
What is 4c + 3c + 6.95 = 74.15 and c = $9.60?