At Westonci.ca, we connect you with the best answers from a community of experienced and knowledgeable individuals. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

Carmen has a sign with dimensions 5 ft x 7.5 ft. She wants to reduce it to make a postcard. The postcard sizes are 3.5 in x 5 in., 4 in. x 6 in., and 4.25 in. x 6 in. Which size postcard should she use?