Question

In industry the relationship between wages and quit ratio of employees is defined to be the percentage of employees that quit within 1 year of employment. The quit ratio of a large restaurant chain that paid its employees the minimum hourly wage ($6.55 per hour) was .2 or 20 employees per 100. When the company raised the hourly wage to $8, the quit ratio dropped to .18, or 18 employees per 100.

(a) Assuming a linear relationship between the quit ratio Q (x) and the hourly wage x, find the expression for Q(x)