David and Keith are route drivers for a fast-photo company. David's route is 80 miles, and Keith's
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David and Keith are route drivers for a fast-photo company. David's route is 80 miles, and Keith's is 100 miles. Keith averages 10mph more than David and finishes his route 10 minutes before David.
What is David's speed?
Related Book For
South Western Federal Taxation 2017 Comprehensive
ISBN: 9781305874169
40th Edition
Authors: William H. Hoffman, David M. Maloney, William A. Raabe, James C. Young
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