2. Lara and Maria are making T-shirts to raise at least $500 for their youth group. Their start-up costs include $150 for a T-shirt printer. Plus, it cost $3.50 per T-shirt. They are selling the T-shirts for $15.00 each. All of the profit will be given to the youth group. The profit is the money left after paying for the start-up costs and the T-shirts. How many T-shirts must Lara and Maria sell to raise at least $500?​