Farmer McHenry is going to sell his tomatoes at the farmer’s market. It costs Farmer McHenry $2.50 in gas, $1 for the stand, and $0.50 for price tags. Farmer McHenry is going to sell his tomatoes for $0.50 each. What expression is equivalent to the total cost for Farmer McHenry to sell his tomatoes at the farmer’s market? What expression is equivalent to the money he will make if t represents the number of tomatoes he sells? How many tomatoes must he sell so that the cost equals the money made from sales?