This full solution covers the following key subjects: . This expansive textbook survival guide covers 90 chapters, and 1276 solutions. Since the solution to 5 from 2.1 chapter was answered, more than 218 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Discovering Algebra: An Investigative Approach, edition: 2. Discovering Algebra: An Investigative Approach was written by and is associated to the ISBN: 9781559537636. The answer to “Find the value of the unknown number in each proportion.” is broken down into a number of easy to follow steps, and 10 words. The full step-by-step solution to problem: 5 from chapter: 2.1 was answered by , our top Math solution expert on 03/13/18, 07:06PM.