This document discusses economics as an applied science. It provides objectives to discuss why economics is an applied science and explain basic economic problems and how applied economics works. It then defines economics as an applied science, noting it is used to improve lives through application of economic theories and models. Key basic economic problems are identified as what, how, and for whom to produce. It also outlines the main branches of economics and some current basic economic problems facing the country like unemployment, poverty, infrastructure quality, income inequality, and inflation. Solutions for each are briefly discussed.