Final answer:
Mathematics is used in solving real-world problems to understand the world, solve problems, and build models and design processes.
Step-by-step explanation:
Mathematics is used in solving real-world problems in various ways. For example, it helps us understand the world by analyzing data and making predictions. It also helps us solve problems by applying mathematical principles to find solutions. Additionally, mathematics is used to build models and design processes, such as creating algorithms for computer programs.