Since the solution to 66 from Chapter 6 chapter was answered, more than 207 students have viewed the full step-by-step answer. The answer to “Working together, two crews can clear snow from the citys streets in 20 hours. Working alone, the faster crew requires 9 hours less time than the slower crew. How many hours would it take each crew to clear the streets working alone?” is broken down into a number of easy to follow steps, and 42 words. The full step-by-step solution to problem: 66 from chapter: Chapter 6 was answered by Patricia, our top Math solution expert on 03/14/18, 07:37PM. Intermediate Algebra for College Students was written by Patricia and is associated to the ISBN: 9780321758934. This full solution covers the following key subjects: . This expansive textbook survival guide covers 74 chapters, and 7519 solutions. This textbook survival guide was created for the textbook: Intermediate Algebra for College Students, edition: 6.