SEE Attachment and complete assigment Clearly present  The known data The

 SEE Attachment and complete assigment
Clearly present 
The known data
The unknowns
The formulas needed, and
Sketches, where applicable
Use consistent units and proper prefixes (Do not switch or convert between USCS and SI)
Round off final answers to proper degree of precision or accuracy (Use 3-4 significant digits)
ID your final answer with proper unit