Answer:
The variables are 1,400, 360, and two to represent the jobs he worked over the summer. System of equations, I would do 1,400+360 divided by two. 1,400+360 divided by two equals 880. To answer the last question, he earned $880 at each job.
Explanation:
Hope this helps! Please tell me if I'm wrong. Have a wonderful rest of your day or night! ^w^