Compléter wide angle 9.1 investmentsVersion en ligne wide angle 5 activity par Juan Martinez 1 let allows make allow want want Investment is the use of resources to more money or goods . Businesses to spend a certain amount of money or other resources in order to grow the business . They plan to construct new buildings , buy machinery and purchase supplies all of which costs money . Economist often government to build roads and bridges as a way to create jobs and make a country more productive . Individuals often take classes or training because it them to develop better skills . The development skills often workers earn more money . If they learn to do new things they can often get better jobs . To grow , businesses need to replace damaged or worn - out equipment and adopt new technology . New technology will them to produce mor e