Acomputer downloads a 48 kb file 5 seconds. at this rate, how long will it take the computer to download a file that is 120 kb?

48 divide by 5 is 9.6 which is the rate at which the computer downloads files (9.6 per second). So at this rate 120/9.6 is 12.5 which means 12.5 is how many seconds the computer takes to download a 120kb file!

In windows explorer, select the file, folder, or groups of files and folders you'd like to copy. you can select multiple files or folders in several ways: click the first file or folder you want to select, hold down the ctrl key, and then click each additional file or folder you want.