John is looking for a job after graduation. The salary which is satisfied with must be $3000 with a tolerance of $500. Which of
the following inequalities can be used to assess which of his salaries is tolerable? ( m is the measure of the salary) a. |m - 500| >= 3000
b. |m - 3000| <= 500
c. |m - 3000| >= 500
d. |m - 500| <= 3000
