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4. Starting a Rock and Roll band required an investment of $10,000 in guitars, amplifiers and PA system. Each live session paid $1000 to this startup band and each time they drove to the venue, there were $200 in gas, meals, and lodging expenses. After how many live sessions will they start to make a profit?

User Sweber
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1000 in earnings minus 200 in expenses is equal to 800 dollars you get to keep per show. 10000/800=25/2. On the thirteenth show they would start to earn profits
User Claes Mogren
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