se the following information to answer the next question. Three jobs are open in a company: one in the accounting department, one in the human resources department, and one in the sales department. The accounting job receives $30$ applicants, the human resources department receives $40$ applicants, and the human resources and sales department receives $60$ applicants.

If

$=$ the number of applications for a job, use this information to fill in and answer the question below: