You decide to begin selling bags of gold fish at the local fair. Your cost for each bag of gold fish is $2.97 plus you have to pay a fixed weekly fee of $120 for the booth. Your plan is to sell each bag of gold fish for $4.75. 1. Write an expression to represent your total costs for the week if you sell n bags of gold fish. Total Costs: 2. Write an expression to represent the revenue from the sale of n bags of gold fish durina the week. Revenue: 3. Write an expression that represents the profit for selling n bags of gold fish in a given week. Profit: How many bags of gold fish must you sell in order to make a positive profit? In order to make a positive profit, you would have to sell bags of gold fish