Welcome to Westonci.ca, the place where your questions are answered by a community of knowledgeable contributors. Get detailed and precise answers to your questions from a dedicated community of experts on our Q&A platform. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

David works at the T-Shirt Shack selling tees. The equation y = 15x - 520 represents the profit that the T- Shirt Shack makes for each T - Shirt sold where y is the total profit and x us the number of t shirts sold. How many t shirts does the t shirt shack need to sell to make a profit of $140