Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Get quick and reliable solutions to your questions from knowledgeable professionals on our comprehensive Q&A platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

Rob bought a hat and 3 shirts for $35. Dan bought 2 hats and a shirt for $20.

Which system of equations can be used to find s , the cost of one shirt, and h , the cost of one hat?