This textbook survival guide was created for the textbook: Saxon Math, Course 1, edition: 1. This full solution covers the following key subjects: . This expansive textbook survival guide covers 120 chapters, and 3595 solutions. The answer to “Ninety percent of 30 trees are birch trees. a. How many trees are birch trees? b. What is the ratio of birch trees to all other trees?” is broken down into a number of easy to follow steps, and 27 words. Saxon Math, Course 1 was written by and is associated to the ISBN: 9781591417835. The full step-by-step solution to problem: 5 from chapter: 79 was answered by , our top Math solution expert on 03/16/18, 04:35PM. Since the solution to 5 from 79 chapter was answered, more than 247 students have viewed the full step-by-step answer.