You are ordering t-shirts from online which cost $7.00 each. Your shipping cost is $4.50 and your purchase total is $25.50. Let t be the number of t-shirts ordered. Which equation models this situation?
4.5t +7=25.5
7t + 4.5 = 25.5
25.5 + 4.5 = 7t
7t - 4.5 = 25.5