The answer to “Joe Gallegos purchased a calculator for $12.48 and paid with a $20 bill. How much change did he get?” is broken down into a number of easy to follow steps, and 19 words. The full step-by-step solution to problem: 23 from chapter: 3-2 was answered by , our top Math solution expert on 03/08/18, 08:36PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 77 chapters, and 1559 solutions. This textbook survival guide was created for the textbook: Business Math, , edition: 9. Since the solution to 23 from 3-2 chapter was answered, more than 214 students have viewed the full step-by-step answer. Business Math, was written by and is associated to the ISBN: 9780135108178.