[SOLVED] Responsive Design Part 1: Designing for Tablet and Desktop Devices

I need help with a Business question. All explanations and answers will be used to help me learn.

Please complete the Apply Your Knowledge exercise at the end of Chapter 6:

? The student data files can be downloaded from the textbook companion web site. The URL is provided on the course homepage on Blackboard. ? Please think about the question in step 14, but you don’t need to submit your answer. ? Your HTML file must pass the validator (http://validator.w3.org/) as an error-free HTML 5 file. A couple minor warnings are acceptable. ? Your CSS file must pass the validator (http://jigsaw.w3.org/css-validator/) as an error-free CSS file. A couple minor warnings are acceptable.