Chapter 4.3, Problem 7E

Use a system of two linear equations to solve exercises 1-22.

Computer Training Coordinator Reggie is in charge of scheduling computer training for the employees at his company. The human resources department is to be trained to use new spreadsheet software and a new payroll program. Experienced employees can learn the spreadsheet in 3 hours and the payroll in 4 hours. New employees need 4 hours to learn the spreadsheet and 7 hours to learn the payroll. The company can afford to pay for 115 hours of spreadsheet instruction and 170 hours of payroll instruction. How many of each type of employee can Reggie send to the training?